Dyfyniad APA
Roland, N. J., McCombe, A. W., & McRae, R. D. R. (2001). Key topics in otolaryngology and head and neck surgery. BIOS.
Dyfyniad Arddull Chicago
Roland, N. J., A. W. McCombe, and R. D. R. McRae. Key Topics in Otolaryngology and Head and Neck Surgery. Oxford: BIOS, 2001.
Dyfyniad MLA
Roland, N. J., et al. Key Topics in Otolaryngology and Head and Neck Surgery. BIOS, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.