APA aipamena

Gladwell, M. (2014). David and Goliath. Gramedia.

Chicago Style aipamena

Gladwell, Malcolm. David and Goliath. Gramedia, 2014.

MLA aipamena

Gladwell, Malcolm. David and Goliath. Gramedia, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.