Laing, J. E. (1967). Fertility and family planning in a Philippine city: Preliminary survey findings. Silliman University.
Cita Chicago (17th ed.)Laing, John E. Fertility and Family Planning in a Philippine City: Preliminary Survey Findings. Dumaguete City: Silliman University, 1967.
Cita MLA (9th ed.)Laing, John E. Fertility and Family Planning in a Philippine City: Preliminary Survey Findings. Silliman University, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.