Addressograph-Multigraph Corporation. (1936). Teacher's manual for Business office training course: Multigraph. Adressograph-Multigraph Corporation.
Chicago-referens (17:e uppl.)Addressograph-Multigraph Corporation. Teacher's Manual for Business Office Training Course: Multigraph. [Cleveland, Ohio: Adressograph-Multigraph Corporation, 1936.
MLA-referens (8:e uppl.)Addressograph-Multigraph Corporation. Teacher's Manual for Business Office Training Course: Multigraph. Adressograph-Multigraph Corporation, 1936.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.