Cita APA (7th ed.)

ebrary, Inc, & Orlando, R. C. (2000). Gastroesophageal reflux disease. Dekker.

Cita Chicago (17th ed.)

ebrary, Inc, i Roy C. Orlando. Gastroesophageal Reflux Disease. New York: Dekker, 2000.

Cita MLA (9th ed.)

ebrary, Inc, i Roy C. Orlando. Gastroesophageal Reflux Disease. Dekker, 2000.