APA-referens (7:e uppl.)

Não informado. (1956). Preprints. American Chemical Society, Division of Petroleum Chemistry.

Chicago-referens (17:e uppl.)

Não informado. Preprints. Washington: American Chemical Society, Division of Petroleum Chemistry, 1956.

MLA-referens (8:e uppl.)

Não informado. Preprints. American Chemical Society, Division of Petroleum Chemistry, 1956.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.