APA aipamena

Drago, R. S. (1977). Principles of chemistry (2.). Allyn and Bacon.

Chicago Style aipamena

Drago, R S. Principles of Chemistry. 2. London: Allyn and Bacon, 1977.

MLA aipamena

Drago, R S. Principles of Chemistry. 2. Allyn and Bacon, 1977.