Dyfyniad APA

Hewett, W. W. (1927). Rudiments of economics. Thomas Y. Crowell Co.

Dyfyniad Arddull Chicago

Hewett, William W. Rudiments of Economics. New York: Thomas Y. Crowell Co, 1927.

Dyfyniad MLA

Hewett, William W. Rudiments of Economics. Thomas Y. Crowell Co, 1927.

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