Gaya APA
Martini, M., Nawawi, H.
(2005).
Penelitian terapan
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Martini, Mimi., Nawawi, Hadari.
"Penelitian terapan".
Yogyakarta:
Gadjah Mada University Press,
2005.
Text.