APA aipamena

Middleton, J. D. (1994). Problem doctors. BMJ Group.

Chicago Style aipamena

Middleton, J. D. Problem Doctors. BMJ Group, 1994.

MLA aipamena

Middleton, J. D. Problem Doctors. BMJ Group, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.