Παραπομπή σε μορφή APA (7η εκδ.)

National Book Development Council of Singapore. (1981). First national readership survey. National Book Development Council of Singapore.

Παραπομπή σε μορφή Chicago (17η εκδ.)

National Book Development Council of Singapore. First National Readership Survey. [Singapore]: National Book Development Council of Singapore, 1981.

Παραπομπή σε μορφή MLA (8th εκδ.)

National Book Development Council of Singapore. First National Readership Survey. National Book Development Council of Singapore, 1981.