Παραπομπή APA
(1921). Pitman's Complete book-keeping: A text-book for private students and public classes: with questions, specimen papers, and lists of business terms and abbreviations (Enl. ed.). London: Sir I. Pitman & Sons, Ltd..
Παραπομπή Chicago StylePitman's Complete Book-keeping: A Text-book for Private Students and Public Classes: With Questions, Specimen Papers, and Lists of Business Terms and Abbreviations. Enl. ed. London: Sir I. Pitman & Sons, Ltd., 1921.
Παραπομπή MLAPitman's Complete Book-keeping: A Text-book for Private Students and Public Classes: With Questions, Specimen Papers, and Lists of Business Terms and Abbreviations. Enl. ed. London: Sir I. Pitman & Sons, Ltd., 1921.
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