Dyfyniad APA

Billings, J. S., & Atwater, W. O. (1903). Physiological aspects of the liquor problem. Houghton, Mifflin.

Dyfyniad Arddull Chicago

Billings, John S., and W. O. Atwater. Physiological Aspects of the Liquor Problem. Boston and New York: Houghton, Mifflin, 1903.

Dyfyniad MLA

Billings, John S., and W. O. Atwater. Physiological Aspects of the Liquor Problem. Houghton, Mifflin, 1903.

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