Jacobson, S. K. (1987). The educational role of a developing country's national park system: An evoluation of Kinabalu Park,Malaysia. University of Microfilms International.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Jacobson, Susan Kay. The Educational Role of a Developing Country's National Park System: An Evoluation of Kinabalu Park,Malaysia. Ann Arbor, Michigan: University of Microfilms International, 1987.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Jacobson, Susan Kay. The Educational Role of a Developing Country's National Park System: An Evoluation of Kinabalu Park,Malaysia. University of Microfilms International, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.