APA aipamena

Challacombe, B. J., Georgeu, G., & El-Muttardi, N. (2003). Know your weed. BMJ Publishing Group Ltd.

Chicago Style aipamena

Challacombe, Ben J., Garrick Georgeu, and Naguib El-Muttardi. Know Your Weed. BMJ Publishing Group Ltd, 2003.

MLA aipamena

Challacombe, Ben J., Garrick Georgeu, and Naguib El-Muttardi. Know Your Weed. BMJ Publishing Group Ltd, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.