Gaya APA

Burgan, M, -, A. (2015). Who Is Richard Branson (Cetakan Pertama: 2015). United States of America: Penguin Group.

Gaya MLA

Burgan, Michael, -, A. "Who Is Richard Branson". Cetakan Pertama: 2015 United States of America: Penguin Group, 2015. Text.