Gaya APA

Achievement, motivation, parents' educational level and child rearing practice in four occupational. (1979). Yogyakarta: Fakultas Psikologi, Universitas Gajah Mada.

Gaya MLA

Achievement, motivation, parents' educational level and child rearing practice in four occupational. . Yogyakarta: Fakultas Psikologi, Universitas Gajah Mada, 1979. Buku.