Language Study & Research Center, Inc, Language Education Council of the Philippines, & Castillo, E. S. (1999). Educating via language. Language Study & Research Center and Language Education Council of the Philippines.
Chicago-viite (17. p.)Language Study & Research Center, Inc, Language Education Council of the Philippines, ja Emma S. Castillo. Educating via Language. [Manila]: Language Study & Research Center and Language Education Council of the Philippines, 1999.
MLA-viite (9. p.)Language Study & Research Center, Inc, et al. Educating via Language. Language Study & Research Center and Language Education Council of the Philippines, 1999.
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