APA-referens

W P Crawford. (1991). Proceedings 39th annual pfizer research conference may 13, 1991. Newyork.

Chicago-stil citat

W P Crawford. Proceedings 39th Annual Pfizer Research Conference May 13, 1991. Newyork, 1991.

MLA-referens

W P Crawford. Proceedings 39th Annual Pfizer Research Conference May 13, 1991. Newyork, 1991.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.