Dyfyniad APA

O'Gordon, G. (1968). Modern trends in mental health and subnormality. Butterworths.

Dyfyniad Arddull Chicago

O'Gordon, Gerald. Modern Trends in Mental Health and Subnormality. London: Butterworths, 1968.

Dyfyniad MLA

O'Gordon, Gerald. Modern Trends in Mental Health and Subnormality. Butterworths, 1968.

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