Gaya APA

Kerlinger, F, N. et al (1990). Asas-asas penelitian behavioral / Fred N. Kerlinger; Londong R. Simatupang, H.J Koesoemanto (Ed.ke-3). : Gadjah Mada University Press.

Gaya MLA

Kerlinger, Fred, N.. et al. "Asas-asas penelitian behavioral / Fred N. Kerlinger; Londong R. Simatupang, H.J Koesoemanto". Ed.ke-3 : Gadjah Mada University Press, 1990. Textbook.