Perez, J. R. (1977). A study of the social work content in the functions of family planning workers [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-viite (17. p.)Perez, Josefina R. A Study of the Social Work Content in the Functions of Family Planning Workers [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA-viite (9. p.)Perez, Josefina R. A Study of the Social Work Content in the Functions of Family Planning Workers [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.