Gaya APA
Nawawi, H, H.
(1994).
Penelitian terapan
.
Yogyakarta:
Gajah Mada University Press.
Gaya MLA
Nawawi, H., Hadari.
"Penelitian terapan".
Yogyakarta:
Gajah Mada University Press,
1994.
Printed Book.