Overseas Service Bureau (Australia). (1989). Australian Volunteers Abroad, a program of the Overseas Service Bureau: 25th anniversary. Overseas Service Bureau.
Chicago-viite (17. p.)Overseas Service Bureau (Australia). Australian Volunteers Abroad, a Program of the Overseas Service Bureau: 25th Anniversary. Fitzroy, Vic.: Overseas Service Bureau, 1989.
MLA-viite (8. p.)Overseas Service Bureau (Australia). Australian Volunteers Abroad, a Program of the Overseas Service Bureau: 25th Anniversary. Overseas Service Bureau, 1989.
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