Ilarde, D. M., Porras, N. Z., & Santos-Ocampo, P. D. (1976). A Catalog of institutions and agencies for children with special needs (2nd ed.). s.n.].
Chicago-referens (17:e uppl.)Ilarde, Dominga M., Ninofar Z. Porras, och Perla D. Santos-Ocampo. A Catalog of Institutions and Agencies for Children with Special Needs. 2nd ed. [Manila: s.n.], 1976.
MLA-referens (9:e uppl.)Ilarde, Dominga M., et al. A Catalog of Institutions and Agencies for Children with Special Needs. 2nd ed. s.n.], 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.