Dyfyniad APA

Harries, J. T. (1977). Essentials of paediatric gastroenterology. Churchill Livingstone.

Dyfyniad Arddull Chicago

Harries, J. T. Essentials of Paediatric Gastroenterology. New York: Churchill Livingstone, 1977.

Dyfyniad MLA

Harries, J. T. Essentials of Paediatric Gastroenterology. Churchill Livingstone, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.