(1994). Ecological effects of selective logging in a lowland dipterocarp forest on avifauna, with special reference to frugivorous birds. Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ecological Effects of Selective Logging in a Lowland Dipterocarp Forest on Avifauna, with Special Reference to Frugivorous Birds. Bangi: Universiti Kebangsaan Malaysia, 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ecological Effects of Selective Logging in a Lowland Dipterocarp Forest on Avifauna, with Special Reference to Frugivorous Birds. Universiti Kebangsaan Malaysia, 1994.
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