APA (7e ed.) Bronvermelding

Singh, Y. (1981). Population trends and population education (1st.). Sheth.

Chicago (17e ed.) Bronvermelding

Singh, Y. Population Trends and Population Education. 1st. Bombay: Sheth, 1981.

MLA (9e ed.) Bronvermelding

Singh, Y. Population Trends and Population Education. 1st. Sheth, 1981.

Let op: Deze citaties zijn niet altijd 100% accuraat.