Natsarun Leesirisearn. (2002). Perceptions of French teachers about professional development activities at the secondary school level in Thailand. Illinois State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Natsarun Leesirisearn. Perceptions of French Teachers About Professional Development Activities at the Secondary School Level in Thailand. Normal, Illinois: Illinois State University, 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Natsarun Leesirisearn. Perceptions of French Teachers About Professional Development Activities at the Secondary School Level in Thailand. Illinois State University, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.