APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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