Gaya APA
Martini, H, N, ,, M.
(2005).
Penelitian terapan
(
Cet. 3)
.
Gorontalo:
Gadjah Mada University Press.
Gaya MLA
Martini, Hadari, Nawawi, ,, Mimi.
"Penelitian terapan".
Cet. 3
Gorontalo:
Gadjah Mada University Press,
2005.
Text.