Addressograph-Multigraph Corporation. (1936). Teacher's manual for Business office training course: Multigraph. Adressograph-Multigraph Corporation.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Addressograph-Multigraph Corporation. Teacher's Manual for Business Office Training Course: Multigraph. [Cleveland, Ohio: Adressograph-Multigraph Corporation, 1936.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Addressograph-Multigraph Corporation. Teacher's Manual for Business Office Training Course: Multigraph. Adressograph-Multigraph Corporation, 1936.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.