Gaya APA
Sekaran, U., Bougie, R. (2016).
Research Methods for Business: A Skill-Building Approach (7th Ed.).
united kingdom:
Wiley.
Gaya MLA
Sekaran, Uma., Bougie, Roger.
"Research Methods for Business: A Skill-Building Approach".
7th Ed.
united kingdom:
Wiley,
2016.
Text.