Gaya APA

HULL, T, H. (1976). The influence of social class on the need and effective demand for children . Yogyakarta: Population Institute, Gadjah Mada Univerity.

Gaya MLA

HULL, Terence, H. "The influence of social class on the need and effective demand for children". Yogyakarta: Population Institute, Gadjah Mada Univerity, 1976. Buku.