APA Style
Sekaran, U., Bougie, R. (2016).
Research methods for business: a skill-building approach (7th ed).
enk:
John Wiley & Sons.
MLA Style
Sekaran, Uma., Bougie, Roger.
"Research methods for business: a skill-building approach".
7th ed
enk:
John Wiley & Sons,
2016.
Computer File.