Dyfyniad APA

Enger, E. D. (2003). Laboratory manual concepts in biology. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Enger, Eldon D. Laboratory Manual Concepts in Biology. Boston: McGraw-Hill, 2003.

Dyfyniad MLA

Enger, Eldon D. Laboratory Manual Concepts in Biology. Boston: McGraw-Hill, 2003.

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