Lalang Buana. (2000). Modelling and forecasting of palm oil price using disturbance analysis and combined forecast. Fakulti Pendidikan, Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lalang Buana. Modelling and Forecasting of Palm Oil Price Using Disturbance Analysis and Combined Forecast. Bangi: Fakulti Pendidikan, Universiti Kebangsaan Malaysia, 2000.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lalang Buana. Modelling and Forecasting of Palm Oil Price Using Disturbance Analysis and Combined Forecast. Fakulti Pendidikan, Universiti Kebangsaan Malaysia, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.