APA (7th ed.) Zitazioa

Chemical Marketing Reporter. (1986). OPD chemical buyers directory (73a. ed.). Schnell.

Chicago Style (17th ed.) Zitazioa

Chemical Marketing Reporter. OPD Chemical Buyers Directory. 73a. ed. Nueva York: Schnell, 1986.

MLA (9th ed.) Zitazioa

Chemical Marketing Reporter. OPD Chemical Buyers Directory. 73a. ed. Schnell, 1986.