Gaya APA
Widodo, .
(2019).
Metodologi Penelitian: Populer & Praktis
(
Ed. 1, Cet. 3)
.
Depok:
Rajawali Press.
Gaya MLA
Widodo, .
"Metodologi Penelitian: Populer & Praktis".
Ed. 1, Cet. 3
Depok:
Rajawali Press,
2019.
Text.