APA (7e ed.) Bronvermelding

Chen, P. S. J. (1979). Ethnicity and fertility: The case of Singapore. Chopmen Enterprises.

Chicago (17e ed.) Bronvermelding

Chen, Peter S. J. Ethnicity and Fertility: The Case of Singapore. [Singapore]: Chopmen Enterprises, 1979.

MLA (8e ed.) Bronvermelding

Chen, Peter S. J. Ethnicity and Fertility: The Case of Singapore. Chopmen Enterprises, 1979.