Custodio-Gregorio, L. (1967). The reaction of selected teachers to the biology for Philippine High Schools: The Relationships of Living Things, an adaptation of the BSCS Green Version materials.
Chicago Style (17th ed.) CitationCustodio-Gregorio, Lucille. The Reaction of Selected Teachers to the Biology for Philippine High Schools: The Relationships of Living Things, an Adaptation of the BSCS Green Version Materials. Quezon City, 1967.
MLA (9th ed.) CitationCustodio-Gregorio, Lucille. The Reaction of Selected Teachers to the Biology for Philippine High Schools: The Relationships of Living Things, an Adaptation of the BSCS Green Version Materials. 1967.
Warning: These citations may not always be 100% accurate.