Langdale, J. V. (1984). Information services in Australia and Singapore. ASEAN-Australia Joint Research Project.
Chicago-viite (17. p.)Langdale, John V. Information Services in Australia and Singapore. Kuala Lumpur: ASEAN-Australia Joint Research Project, 1984.
MLA-viite (9. p.)Langdale, John V. Information Services in Australia and Singapore. ASEAN-Australia Joint Research Project, 1984.
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