APA aipamena

Sambrook, P., & Cooper, C. (2006). Osteoporosis.

Chicago Style aipamena

Sambrook, P., and C. Cooper. Osteoporosis. 2006.

MLA aipamena

Sambrook, P., and C. Cooper. Osteoporosis. 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.