APA aipamena

Zorab, J. (2000). Tulips for sale. BMJ.

Chicago Style aipamena

Zorab, John. Tulips for Sale. BMJ, 2000.

MLA aipamena

Zorab, John. Tulips for Sale. BMJ, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.