Gaya APA
UNESCO, . (1975).
Group Training Course in Educational Planning 1975 (Phase I: Correspondence Programme (Book 9 & 10) .
Bangkok:
UNESCO.
Gaya MLA
UNESCO, .
"Group Training Course in Educational Planning 1975 (Phase I: Correspondence Programme (Book 9 & 10)".
Bangkok:
UNESCO,
1975.
Art Original.