Amolat, H. M., & Sison, W. M. (1977). Proposed instructional materials on the teaching of multiplication to educable mentally retarded children at the intermediate level. College of Education, University of the Philippines Diliman.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Amolat, Herminia Macaraig, và Waldetrudes Montojo Sison. Proposed Instructional Materials on the Teaching of Multiplication to Educable Mentally Retarded Children at the Intermediate Level. Quezon City: College of Education, University of the Philippines Diliman, 1977.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Amolat, Herminia Macaraig, và Waldetrudes Montojo Sison. Proposed Instructional Materials on the Teaching of Multiplication to Educable Mentally Retarded Children at the Intermediate Level. College of Education, University of the Philippines Diliman, 1977.