APA aipamena

Lewis Michael. (2017). Undoing Project: Friendship that Changed the World. Penguin Books.

Chicago Style aipamena

Lewis Michael. Undoing Project: Friendship That Changed the World. Penguin Books, 2017.

MLA aipamena

Lewis Michael. Undoing Project: Friendship That Changed the World. Penguin Books, 2017.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.