Dyfyniad APA

Anderson, R. E. (1979). Biological paths to self reliance. Van Nostrand Reinhold Company.

Dyfyniad Arddull Chicago

Anderson, Russell E. Biological Paths to Self Reliance. New York: Van Nostrand Reinhold Company, 1979.

Dyfyniad MLA

Anderson, Russell E. Biological Paths to Self Reliance. Van Nostrand Reinhold Company, 1979.

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