Gaya APA
KERLINGER, F, N. et al
(2014).
Asas-asas penelitian behavioral
(
3)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
KERLINGER, Fred, N.. et al.
"Asas-asas penelitian behavioral".
3
Yogyakarta:
Gadjah Mada University Press,
2014.
Buku.