APA-referens (7:e uppl.)

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.

Chicago-referens (17:e uppl.)

Calvero, 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.

MLA-referens (9:e uppl.)

Calvero, 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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