APA (7 वां संस्करण) प्रशस्ति पत्र

De Leon, C. Q. (1997). Analysis of preschool children's drawings using the developmental approach. EDUKASYON.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

De Leon, Catherine Q. "Analysis of Preschool Children's Drawings Using the Developmental Approach." EDUKASYON 1997.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

De Leon, Catherine Q. "Analysis of Preschool Children's Drawings Using the Developmental Approach." EDUKASYON, 1997.