Παραπομπή APA

Kline, D., & Harman, D. (1976). Issues in Population Education. D.C.Heath.

Παραπομπή Chicago Style

Kline, David, και David Harman. Issues in Population Education. Toronto: D.C.Heath, 1976.

Παραπομπή MLA

Kline, David, και David Harman. Issues in Population Education. D.C.Heath, 1976.