APA
(1973). An Analysis of the Population Content of Current Textbooks in Philippine Public Elementary and Secondary Schools. Manila: Department of Education and Culture.
Chicago
1973. An Analysis of the Population Content of Current Textbooks in Philippine Public Elementary and Secondary Schools. Manila: Department of Education and Culture.
Harvard
(1973). An Analysis of the Population Content of Current Textbooks in Philippine Public Elementary and Secondary Schools. Manila: Department of Education and Culture.
MLA
An Analysis of the Population Content of Current Textbooks in Philippine Public Elementary and Secondary Schools. Manila: Department of Education and Culture. 1973.