Παραπομπή APA

Windholz, M. (1976). Merck index: : an encyclopedia of chemicals and drugs (9th ed.). Merck & co.

Παραπομπή Chicago Style

Windholz, Martha. Merck Index: : An Encyclopedia of Chemicals and Drugs. 9th ed. New Jersey: Merck & co, 1976.

Παραπομπή MLA

Windholz, Martha. Merck Index: : An Encyclopedia of Chemicals and Drugs. 9th ed. Merck & co, 1976.