Soon, P. T. (1974). Selection of the optimum number, size and locations of processing plants: An application to the oil palm industry in Felda schemes in West Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Soon, Pee Tek. Selection of the Optimum Number, Size and Locations of Processing Plants: An Application to the Oil Palm Industry in Felda Schemes in West Malaysia. 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Soon, Pee Tek. Selection of the Optimum Number, Size and Locations of Processing Plants: An Application to the Oil Palm Industry in Felda Schemes in West Malaysia. 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.