Não informado. (1958). The Journal of the American Academy of Gold Foil Operators. American Academy of Gold Foil Operators.
Chicago-referens (17:e uppl.)Não informado. The Journal of the American Academy of Gold Foil Operators. Indianapolis, Ind: American Academy of Gold Foil Operators, 1958.
MLA-referens (8:e uppl.)Não informado. The Journal of the American Academy of Gold Foil Operators. American Academy of Gold Foil Operators, 1958.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.