Wentling, T. L., & Lai, K. K. (1993). Planning for effective training: A guide to curriculum development. Food and Agriculture Organization of the United Nations.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wentling, Tim L., و Kah Khee Lai. Planning for Effective Training: A Guide to Curriculum Development. Rome: Food and Agriculture Organization of the United Nations, 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wentling, Tim L., و Kah Khee Lai. Planning for Effective Training: A Guide to Curriculum Development. Food and Agriculture Organization of the United Nations, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.