Dyfyniad APA
Bellamy, D., & Booker, R. (2011). Chronic obstructive pulmonary disease in primary care: All you need to know to manage COPD in your practice (4th ed.). Class Pub..
Dyfyniad Arddull Chicago
Bellamy, David, and Rachel Booker. Chronic Obstructive Pulmonary Disease in Primary Care: All You Need to Know to Manage COPD in Your Practice. 4th ed. London: Class Pub., 2011.
Dyfyniad MLA
Bellamy, David, and Rachel Booker. Chronic Obstructive Pulmonary Disease in Primary Care: All You Need to Know to Manage COPD in Your Practice. 4th ed. Class Pub., 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.