APA (7 वां संस्करण) प्रशस्ति पत्र

Constantino, R., & Constantino, L. R. (1978). The Philippines: The continuing past. Foundation for Nationalist Studies.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Constantino, Renato, और Letizia R. Constantino. The Philippines: The Continuing Past. Quezon City: Foundation for Nationalist Studies, 1978.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Constantino, Renato, और Letizia R. Constantino. The Philippines: The Continuing Past. Foundation for Nationalist Studies, 1978.