APA (7 वां संस्करण) प्रशस्ति पत्र

Barkat, A. (1997). Family planning, unmet need in Bangladesh: Shaping of a client-oriented strategy. University Research Corp. (Bangladesh).

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Barkat, Abul. Family Planning, Unmet Need in Bangladesh: Shaping of a Client-oriented Strategy. Dhaka: University Research Corp. (Bangladesh), 1997.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Barkat, Abul. Family Planning, Unmet Need in Bangladesh: Shaping of a Client-oriented Strategy. University Research Corp. (Bangladesh), 1997.