Dyfyniad APA

Leipziger, D. M. (1981). Basic needs and development. Oelgeschlager, Gunn & Hain.

Dyfyniad Arddull Chicago

Leipziger, Danny M. Basic Needs and Development. Cambridge, Mass: Oelgeschlager, Gunn & Hain, 1981.

Dyfyniad MLA

Leipziger, Danny M. Basic Needs and Development. Oelgeschlager, Gunn & Hain, 1981.

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