Παραπομπή σε μορφή APA (7η εκδ.)

Singh, P. H. (1975). Centralized workshops in Singapore. Unesco Regional Office for Education in Asia.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Singh, P. Harbans. Centralized Workshops in Singapore. Bangkok: Unesco Regional Office for Education in Asia, 1975.

Παραπομπή σε μορφή MLA (9th εκδ.)

Singh, P. Harbans. Centralized Workshops in Singapore. Unesco Regional Office for Education in Asia, 1975.