APA aipamena

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.

Chicago Style aipamena

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.

MLA aipamena

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.