Vitug, C. P. (1976). An item-analysis and validity study of the science education center elementary mathematics tests for grades 1, 2, and 3. University of the Philippines Library.
Citação do estilo Chicago (17ª ed.)Vitug, Carolina P. An Item-analysis and Validity Study of the Science Education Center Elementary Mathematics Tests for Grades 1, 2, and 3. Quezon City: University of the Philippines Library, 1976.
Citação MLA (9ª ed.)Vitug, Carolina P. An Item-analysis and Validity Study of the Science Education Center Elementary Mathematics Tests for Grades 1, 2, and 3. University of the Philippines Library, 1976.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.