APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (8th ed.) Atıf

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