Dyfyniad APA
ebrary, Inc, Suárez, M. L., & Ortega, S. M. (2011). Pneumonia: Symptoms, diagnosis and treatment. Nova Science Publishers.
Dyfyniad Arddull Chicago
ebrary, Inc, Micaela L. Suárez, and Steffani M. Ortega. Pneumonia: Symptoms, Diagnosis and Treatment. New York: Nova Science Publishers, 2011.
Dyfyniad MLA
ebrary, Inc, et al. Pneumonia: Symptoms, Diagnosis and Treatment. Nova Science Publishers, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.