APA Style
Cooper, D, R. et al (2006).
Metode riset bisnis = business research methods Vol 1 (ed. 9).
Jakarta:
PT Media Global Edukasi.
MLA Style
Cooper, Donald, R.. et al.
"Metode riset bisnis = business research methods Vol 1".
ed. 9
Jakarta:
PT Media Global Edukasi,
2006.
Text.