Pathfinder Fund, University of Pittsburgh. Graduate School of Public Health, & Holtrop, H. R. (1976). New developments in fertility regulation: A conference for Latin American physicians, Airlie House, Airlie, Virginia, March 28-30, 1976. The Fund.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPathfinder Fund, University of Pittsburgh. Graduate School of Public Health, और Hugh R. Holtrop. New Developments in Fertility Regulation: A Conference for Latin American Physicians, Airlie House, Airlie, Virginia, March 28-30, 1976. Chestnut Hill, Mass.: The Fund, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPathfinder Fund, et al. New Developments in Fertility Regulation: A Conference for Latin American Physicians, Airlie House, Airlie, Virginia, March 28-30, 1976. The Fund, 1976.