Gaya APA
Sekaran, U. (2007).
Research Methods for Business = Metodologi Penelitian Bisnis (Buku 1) (4).
Jakarta:
Salemba Empat.
Gaya MLA
Sekaran, Uma.
"Research Methods for Business = Metodologi Penelitian Bisnis (Buku 1)".
4
Jakarta:
Salemba Empat,
2007.
Text.