Dyfyniad APA

Hein, M. (1993). College chemistry: An introduction to general, organic, and biochemistry (5th ed.). Brooks/Cole.

Dyfyniad Arddull Chicago

Hein, Morris. College Chemistry: An Introduction to General, Organic, and Biochemistry. 5th ed. Pacific Grove, Calif: Brooks/Cole, 1993.

Dyfyniad MLA

Hein, Morris. College Chemistry: An Introduction to General, Organic, and Biochemistry. 5th ed. Brooks/Cole, 1993.

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