Gaya APA
WIRATNA, S, V. (2020).
Metodologi Penelitian: lengkap, praktis dan mudah dipahami (Ed. 1).
Yogyakarta:
PUSTAKABARUPRESS.
Gaya MLA
WIRATNA, Sujarweni,, V.
"Metodologi Penelitian: lengkap, praktis dan mudah dipahami".
Ed. 1
Yogyakarta:
PUSTAKABARUPRESS,
2020.
Text.