Calvero, T. E. (1974). A critical analysis of the B.P.S. tentative curriculum guides for general science I & II for Philippine high schools. University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCalvero, Teofidez E. A Critical Analysis of the B.P.S. Tentative Curriculum Guides for General Science I & II for Philippine High Schools. Quezon City: University of the Philippines Library, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCalvero, Teofidez E. A Critical Analysis of the B.P.S. Tentative Curriculum Guides for General Science I & II for Philippine High Schools. University of the Philippines Library, 1974.
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