Osman bin Orang Kaya Kaya Pangeran Haji Omar Pangeran & Woolley, G. C. (2006). Dusun custom in Putatan District. Natural History Publications (Borneo).
Chicago-viite (17. p.)Osman bin Orang Kaya Kaya Pangeran Haji Omar Pangeran ja G. C. Woolley. Dusun Custom in Putatan District. Kota Kinabalu: Natural History Publications (Borneo), 2006.
MLA-viite (9. p.)Osman bin Orang Kaya Kaya Pangeran Haji Omar Pangeran ja G. C. Woolley. Dusun Custom in Putatan District. Natural History Publications (Borneo), 2006.
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