Tohutoro APA (7th ed.)

Watkins, K. W. (1998). Student study guide to accompany Chang chemistry (6th ed.). WCB.

Tohutoru Kātū Chicago (17th ed.)

Watkins, Kenneth W. Student Study Guide to Accompany Chang Chemistry. 6th ed. Boston: WCB, 1998.

Tohutoro MLA (9th ed.)

Watkins, Kenneth W. Student Study Guide to Accompany Chang Chemistry. 6th ed. WCB, 1998.