Dyfyniad APA

Burkard, W. E., Chambers, R. L., & Maroney, F. W. (1946). Your health and happiness. Lyons and Carnahan.

Dyfyniad Arddull Chicago

Burkard, William Edwin, Raymond Lippincott Chambers, and Frederick William Maroney. Your Health and Happiness. Chicago: Lyons and Carnahan, 1946.

Dyfyniad MLA

Burkard, William Edwin, et al. Your Health and Happiness. Lyons and Carnahan, 1946.

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