Maglalang, D. M., Groot, H. C., & Flavier, J. M. (1976). Agricultural approach to family planning. Communication Foundation for Asia.

Maglalang, Demetrio M., Hans C. Groot, and Juan M. Flavier. Agricultural Approach to Family Planning. Manila, Philippines: Communication Foundation for Asia, 1976.

Maglalang, Demetrio M., et al. Agricultural Approach to Family Planning. Communication Foundation for Asia, 1976.