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