Cita APA (7th ed.)

University of the Philippines Research Organization for Better Education (UPROBE). (1990). Educational research: Problem conceptualization and research designs. UPROBE.

Cita Chicago (17th ed.)

University of the Philippines Research Organization for Better Education (UPROBE). Educational Research: Problem Conceptualization and Research Designs. Manila: UPROBE, 1990.

Cita MLA (9th ed.)

University of the Philippines Research Organization for Better Education (UPROBE). Educational Research: Problem Conceptualization and Research Designs. UPROBE, 1990.