Παραπομπή σε μορφή APA (7η εκδ.)

(1949). Pitman's commercial correspondence and commercial english: A guide to composition for the commercial student and the business man. Sir I. Pitman & sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pitman's Commercial Correspondence and Commercial English: A Guide to Composition for the Commercial Student and the Business Man. London: Sir I. Pitman & sons, 1949.

Παραπομπή σε μορφή MLA (8th εκδ.)

Pitman's Commercial Correspondence and Commercial English: A Guide to Composition for the Commercial Student and the Business Man. Sir I. Pitman & sons, 1949.