Costello, M. A., & Madigan, F. C. (1979). Current fertility. Mindanao Center for Population Studies, Research Institute for Mindanao Culture, Xavier University.
芝加哥风格引文Costello, Michael A., 与 Francis C. Madigan. Current Fertility. Cagayan de Oro City: Mindanao Center for Population Studies, Research Institute for Mindanao Culture, Xavier University, 1979.
MLA引文Costello, Michael A., 与 Francis C. Madigan. Current Fertility. Mindanao Center for Population Studies, Research Institute for Mindanao Culture, Xavier University, 1979.
警告：这些引文格式不一定是100％准确.