Natividad, J. N., Ogena, N. B., Cruz, G. T., Laguna, E. P., Marquez, M. P. N., Ortega, A. A. C., . . . Kabamalan, M. M. M. (2016). The 2013 young adult fertility and sexuality study in the Philippines. Demographic Research and Development Foundation, University of the Philippines Population Institute.
Παραπομπή σε μορφή Chicago (17η εκδ.)Natividad, Josefina N., Nimfa B. Ogena, Grace T. Cruz, Elma P. Laguna, Maria Paz N. Marquez, Arnisson Andre C. Ortega, Christian Joy P. Cruz, και Maria Midea M. Kabamalan. The 2013 Young Adult Fertility and Sexuality Study in the Philippines. Quezon City: Demographic Research and Development Foundation, University of the Philippines Population Institute, 2016.
Παραπομπή σε μορφή MLA (9th εκδ.)Natividad, Josefina N., et al. The 2013 Young Adult Fertility and Sexuality Study in the Philippines. Demographic Research and Development Foundation, University of the Philippines Population Institute, 2016.