Chulalongkorn University Language Institute, International Conference on Trends in Language Programme Evaluation (1986 : 1st : Bangkok), & Wangsotorn, A. (1987). Trends in language programme evaluation, 9-11 December 1986: Presented at CULI's first international conference. Chulalongkorn University Language Institute.
Čikaški stil citiranja (17. izdanje)Chulalongkorn University Language Institute, International Conference on Trends in Language Programme Evaluation (1986 : 1st : Bangkok), i Achara Wangsotorn. Trends in Language Programme Evaluation, 9-11 December 1986: Presented at CULI's First International Conference. Bangkok: Chulalongkorn University Language Institute, 1987.
MLA način citiranja (9. izdanje)Chulalongkorn University Language Institute, et al. Trends in Language Programme Evaluation, 9-11 December 1986: Presented at CULI's First International Conference. Chulalongkorn University Language Institute, 1987.