Tungpalan, M. T. V. (2005). Handbook for researchers. Research Extension for Development Office, College of Social Work and Community Development, University of the Philippines.
Chicago-referens (17:e uppl.)Tungpalan, Ma. Theresa V. Handbook for Researchers. Quezon City: Research Extension for Development Office, College of Social Work and Community Development, University of the Philippines, 2005.
MLA-referens (9:e uppl.)Tungpalan, Ma. Theresa V. Handbook for Researchers. Research Extension for Development Office, College of Social Work and Community Development, University of the Philippines, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.