Dyfyniad APA

Hunter, G. W., & Valentine, M. C. (1907). Laboratory manual of biology (2nd ed., rev.). Henry Holt and Co..

Dyfyniad Arddull Chicago

Hunter, George W., and Morris Crawford Valentine. Laboratory Manual of Biology. 2nd ed., rev. New York: Henry Holt and Co., 1907.

Dyfyniad MLA

Hunter, George W., and Morris Crawford Valentine. Laboratory Manual of Biology. 2nd ed., rev. Henry Holt and Co., 1907.

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