APA-referens

Crawford. (1981). Plastic engineering (2nd ed.). Pergaman Press.

Chicago-stil citat

Crawford. Plastic Engineering. 2nd ed. NeewYork: Pergaman Press, 1981.

MLA-referens

Crawford. Plastic Engineering. 2nd ed. Pergaman Press, 1981.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.