Costello, M. A., & Madigan, F. C. (1979). Current fertility. Mindanao Center for Population Studies, Research Institute for Mindanao Culture, Xavier University.
Lua i Stíl Chicago (17ú heag.)Costello, Michael A., agus Francis C. Madigan. Current Fertility. Cagayan de Oro City: Mindanao Center for Population Studies, Research Institute for Mindanao Culture, Xavier University, 1979.
Lua MLA (9ú heag.)Costello, Michael A., agus Francis C. Madigan. Current Fertility. Mindanao Center for Population Studies, Research Institute for Mindanao Culture, Xavier University, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.