Heron, L. . . . . . . . . . . . . . . . . . . R. (1973). Economic and business structure in Papua New Guinea. Sir Isaac Pitman (Aust) Pty Ltd.
Čikaški stil citiranja (17. izdanje)Heron, L R. Economic and Business Structure in Papua New Guinea. Australia: Sir Isaac Pitman (Aust) Pty Ltd, 1973.
MLA način citiranja (9. izdanje)Heron, L R. Economic and Business Structure in Papua New Guinea. Sir Isaac Pitman (Aust) Pty Ltd, 1973.
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