Agus Hikmat. (2005). Species composition, biomass and economic valuation of three virgin jungle reserves in Peninsular Malaysia. Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Agus Hikmat. Species Composition, Biomass and Economic Valuation of Three Virgin Jungle Reserves in Peninsular Malaysia. Bangi: Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Agus Hikmat. Species Composition, Biomass and Economic Valuation of Three Virgin Jungle Reserves in Peninsular Malaysia. Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.