Dyfyniad APA

Schmidt, G. (1988). Principles of dairy science (2nd ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Schmidt, Gh. Principles of Dairy Science. 2nd ed. New Jersey: Prentice Hall, 1988.

Dyfyniad MLA

Schmidt, Gh. Principles of Dairy Science. 2nd ed. Prentice Hall, 1988.

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