Παραπομπή σε μορφή APA (7η εκδ.)

Plowman, D. H. (1978). Trade unions in Papua New Guinea: Progress, problems, prospects. Dept. of Industrial Relations, University of New South Wales.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Plowman, D. H. Trade Unions in Papua New Guinea: Progress, Problems, Prospects. Kensington, NSW: Dept. of Industrial Relations, University of New South Wales, 1978.

Παραπομπή σε μορφή MLA (9th εκδ.)

Plowman, D. H. Trade Unions in Papua New Guinea: Progress, Problems, Prospects. Dept. of Industrial Relations, University of New South Wales, 1978.