Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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