Nopakun, O. (1985). Thai concept of khit-pen for adult, and non-formal education. Asian and South Pacific Bureau of Adult Education.
Citazione stile Chigago Style (17a edizione)Nopakun, Oonta. Thai Concept of Khit-pen for Adult, and Non-formal Education. Bankok: Asian and South Pacific Bureau of Adult Education, 1985.
Citatione MLA (8a ed.)Nopakun, Oonta. Thai Concept of Khit-pen for Adult, and Non-formal Education. Asian and South Pacific Bureau of Adult Education, 1985.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.