Παραπομπή σε μορφή APA (7η εκδ.)

Trans-Canada Telephone System & Canadian National-Canadian Pacific Telecommunications. (1971). Telecommunication carriers market projection and analysis. Dept. of Communications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Trans-Canada Telephone System και Canadian National-Canadian Pacific Telecommunications. Telecommunication Carriers Market Projection and Analysis. [Ottawa: Dept. of Communications, 1971.

Παραπομπή σε μορφή MLA (8th εκδ.)

Trans-Canada Telephone System και Canadian National-Canadian Pacific Telecommunications. Telecommunication Carriers Market Projection and Analysis. Dept. of Communications, 1971.