Gaya APA
APEID, A, P, O, E, I, F, D. (1991).
Science Curriculum for Meeting Real-Life Needs of Young Learners .
Bangkok:
UNESCO PROAP.
Gaya MLA
APEID, Asian, Programme, Of, Educational, Innovation, For, Development.
"Science Curriculum for Meeting Real-Life Needs of Young Learners".
Bangkok:
UNESCO PROAP,
1991.
Art Original.