Παραπομπή APA

McWeeny , R. (1979). Coulson's valence. ELBS.

Παραπομπή Chicago Style

McWeeny , Roy. Coulson's Valence. New York: ELBS, 1979.

Παραπομπή MLA

McWeeny , Roy. Coulson's Valence. ELBS, 1979.