Gaya APA

Adams, G, L. et al (1989). Fundamentals of otolaryngology : a texbook of ear, nose and throat diseases (6th. Ed). Philadelphia: W. B. Saunders Company.

Gaya MLA

Adams, George, L.. et al. "Fundamentals of otolaryngology : a texbook of ear, nose and throat diseases". 6th. Ed Philadelphia: W. B. Saunders Company, 1989. Text.