APA (7 वां संस्करण) प्रशस्ति पत्र

Costello, M., Zablan, Z., Lacuesta, M., & RamaRao, S. (2002). Challenges in the implementation of a client-centered FP service delivery: Experiences in the Philippines. Philippine Population Review.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Costello, Marilou, Zelda Zablan, Marlina Lacuesta, और Saumya RamaRao. "Challenges in the Implementation of a Client-centered FP Service Delivery: Experiences in the Philippines." Philippine Population Review 2002.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Costello, Marilou, et al. "Challenges in the Implementation of a Client-centered FP Service Delivery: Experiences in the Philippines." Philippine Population Review, 2002.

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