Dyfyniad APA

Gould, R. L. (1979). Transformations: Growth and change in adult life. Simon & Schuster.

Dyfyniad Arddull Chicago

Gould, Roger L. Transformations: Growth and Change in Adult Life. New York: Simon & Schuster, 1979.

Dyfyniad MLA

Gould, Roger L. Transformations: Growth and Change in Adult Life. Simon & Schuster, 1979.

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