Παραπομπή σε μορφή APA (7η εκδ.)

Ocampo, P. D. S. (1996). Catalog of institutions and agencies for children with special needs. s.n.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ocampo, Perla D. Santos-. Catalog of Institutions and Agencies for Children with Special Needs. Manila: s.n, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ocampo, Perla D. Santos-. Catalog of Institutions and Agencies for Children with Special Needs. s.n, 1996.