APA aipamena

Stenton, S. C., & Hendrick, D. J. (1991). Occupational asthma. BMJ Group.

Chicago Style aipamena

Stenton, S. C., and D. J. Hendrick. Occupational Asthma. BMJ Group, 1991.

MLA aipamena

Stenton, S. C., and D. J. Hendrick. Occupational Asthma. BMJ Group, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.