Dyfyniad APA

Howells, J. G. (1975). Modern perspectives in the psychiatry of old age. Churchil Livingston.

Dyfyniad Arddull Chicago

Howells, John G. Modern Perspectives in the Psychiatry of Old Age. London: Churchil Livingston, 1975.

Dyfyniad MLA

Howells, John G. Modern Perspectives in the Psychiatry of Old Age. Churchil Livingston, 1975.

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