Gaya APA
Sujarweni, V, W.
(20121).
Metodologi Penelitian Bisnis & Ekonomi
.
Yogyakarta:
PUSTAKABARUPRESS.
Gaya MLA
Sujarweni, V., Wiratna.
"Metodologi Penelitian Bisnis & Ekonomi".
Yogyakarta:
PUSTAKABARUPRESS,
20121.
Text.