Gaya APA
Sujarweni, V, W.
(2015).
Metodologi penelitian bisnis & ekonomi
.
Yogyakarta:
PUSTAKABARUPRESS.
Gaya MLA
Sujarweni, V., Wiratna.
"Metodologi penelitian bisnis & ekonomi".
Yogyakarta:
PUSTAKABARUPRESS,
2015.
Text.