The ups and downs of the One Direction boys, eight years after the departure of Zayn Malik, Culture

One plus four: is the five-year itch to blame for Zayn Malik leaving One Direction?

Zayn Malik quits One Direction leaving social media to wipe away fans' tears, One Direction

Zayn Malik Leaves One Direction: How Social Media Affected Him

Zayn's 'BeFoUr' Is A Numbed Cry For A New Start : The Record : NPR

The story of his life: Zayn Malik leaving boy band One Direction to be 'a normal 22-year-old' – Orange County Register

Zayn Malik Says He Left One Direction Because of Band's 'Restrictions' - ABC News

Zayn Malik thanks One Direction at first public appearance since leaving boy band: They're 'four of the best guys I've ever met' – New York Daily News

Zayn Malik quits: Campaigners react with horror after SELF-HARM hashtag trends on Twitter after shock announcement - Mirror Online

After years of silence Zayn Malik opens up about his departure from One Direction

One Direction's Zayn Malik reveals real reason he left the band: 'Sick of each other' - NZ Herald

British Singer Zayn Malik Breaks Silence on Departure From Pop Boy Band One Direction - American Kahani

One Direction deny reports they will be 'taking a break' after world tour

Zayn Malik leaves One Direction: A survival kit for parents

Harry Styles Says One Direction Don't Compare Themselves to Each Other

One Direction: The Incredible Journey of a Boy Band Phenomenon and their Unforgettable Music Legacy, by Jhalakchhapola

A Few Questions For One Direction : NPR

One Direction members celebrate fifth anniversary

One Direction – HarperCollins