Tohutoro APA (7th ed.)

Quellette Robert J. (1987). Understanding chemistry. Macmillan.

Tohutoru Kātū Chicago (17th ed.)

Quellette Robert J. Understanding Chemistry. New york: Macmillan, 1987.

Tohutoro MLA (9th ed.)

Quellette Robert J. Understanding Chemistry. Macmillan, 1987.