Bupphachart Photisaro Tunhikorn. (1986). Attitudes toward and achievenent in science of secondary students in Kasetsart Demonstration School, Bangkok, Thailand. Oregon State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bupphachart Photisaro Tunhikorn. Attitudes Toward and Achievenent in Science of Secondary Students in Kasetsart Demonstration School, Bangkok, Thailand. Corvallis: Oregon State University, 1986.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bupphachart Photisaro Tunhikorn. Attitudes Toward and Achievenent in Science of Secondary Students in Kasetsart Demonstration School, Bangkok, Thailand. Oregon State University, 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.