Παραπομπή APA

Spencer, J. N. (2011). CHEMISTRY FOR TODAY: GENERAL, ORGANIC AND BIOCHEMISTRY (7th edition.). Brooks Cole Publishing Company.

Παραπομπή Chicago Style

Spencer, James N. CHEMISTRY FOR TODAY: GENERAL, ORGANIC AND BIOCHEMISTRY. 7th edition. California: Brooks Cole Publishing Company, 2011.

Παραπομπή MLA

Spencer, James N. CHEMISTRY FOR TODAY: GENERAL, ORGANIC AND BIOCHEMISTRY. 7th edition. Brooks Cole Publishing Company, 2011.