Παραπομπή σε μορφή APA (7η εκδ.)
Powell, D. (1966). Liverpool: An international magazine about Liverpool - its industry - its people. Public Relations Department.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Powell, Derek. Liverpool: An International Magazine About Liverpool - Its Industry - Its People. Liverpool: Public Relations Department, 1966.
Παραπομπή σε μορφή MLA (9th εκδ.)
Powell, Derek. Liverpool: An International Magazine About Liverpool - Its Industry - Its People. Public Relations Department, 1966.
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