Antonio, E. T. (1977). Abstracts of Philippine researches in guidance, 1951-1960. University of the Philippines Library.
Chicago-referens (17:e uppl.)Antonio, Estella T. Abstracts of Philippine Researches in Guidance, 1951-1960. Quezon City: University of the Philippines Library, 1977.
MLA-referens (9:e uppl.)Antonio, Estella T. Abstracts of Philippine Researches in Guidance, 1951-1960. University of the Philippines Library, 1977.
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