Dyfyniad APA

Sells, E. W. (1976). The natural business year, and thirteen other themes. Arno Press.

Dyfyniad Arddull Chicago

Sells, Elijah Watt. The Natural Business Year, and Thirteen Other Themes. New York: Arno Press, 1976.

Dyfyniad MLA

Sells, Elijah Watt. The Natural Business Year, and Thirteen Other Themes. Arno Press, 1976.

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