Dyfyniad APA

Boggs, W., & koob, D. (1972). Nature of life. Addison wesley publication.

Dyfyniad Arddull Chicago

Boggs, W.E, and D.D koob. Nature of Life. londan: Addison wesley publication, 1972.

Dyfyniad MLA

Boggs, W.E, and D.D koob. Nature of Life. Addison wesley publication, 1972.

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