Gaya APA
Nawawi,Hadari, ., Martini,Mimi, .
(2005).
Penelitian Terapan
.
Yogyakarta:
Gadjah Mada University press.
Gaya MLA
Nawawi,Hadari, ., Martini,Mimi, .
"Penelitian Terapan".
Yogyakarta:
Gadjah Mada University press,
2005.
Text.