Gaya APA
Hidayat, M, A. (2017).
The Methodology of Educational Research: Metode Penelitian Pendidikan .
medan:
Perdana Pubihing.
Gaya MLA
Hidayat, Muhammad, Arif.
"The Methodology of Educational Research: Metode Penelitian Pendidikan".
medan:
Perdana Pubihing,
2017.
Text.