Philippines. Bureau of Elementary Education. Curriculum Development Division & Program for Decentralized Education Development. (1990). Handbook [on] measurement of values and attitudes in the elementary school curriculum. Bureau of Elementary Education.
Citazione stile Chigago Style (17a edizione)Philippines. Bureau of Elementary Education. Curriculum Development Division e Program for Decentralized Education Development. Handbook [on] Measurement of Values and Attitudes in the Elementary School Curriculum. [Manila]: Bureau of Elementary Education, 1990.
Citatione MLA (9a ed.)Philippines. Bureau of Elementary Education. Curriculum Development Division e Program for Decentralized Education Development. Handbook [on] Measurement of Values and Attitudes in the Elementary School Curriculum. Bureau of Elementary Education, 1990.