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