Dyfyniad APA

T L Isenhour. (1981). Passing freshman chemistry: Prerequisite skills and concepts. New York: Harcourt Brace Jovanovich.

Dyfyniad Arddull Chicago

T L Isenhour. Passing Freshman Chemistry: Prerequisite Skills and Concepts. New York: Harcourt Brace Jovanovich, 1981.

Dyfyniad MLA

T L Isenhour. Passing Freshman Chemistry: Prerequisite Skills and Concepts. New York: Harcourt Brace Jovanovich, 1981.

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