Addressograph-Multigraph Corporation. (1936). Teacher's manual for Business office training course: Multigraph. Adressograph-Multigraph Corporation.
Lua i Stíl Chicago (17ú heag.)Addressograph-Multigraph Corporation. Teacher's Manual for Business Office Training Course: Multigraph. [Cleveland, Ohio: Adressograph-Multigraph Corporation, 1936.
Lua MLA (8ú heag.)Addressograph-Multigraph Corporation. Teacher's Manual for Business Office Training Course: Multigraph. Adressograph-Multigraph Corporation, 1936.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.