Gaya APA
Cowell, N. et al (1988).
Dasar-dasar marketing modern=fundamentals of modern marketing .
Yogyakarta:
Yogyakarta: Liberty; 1988.
Gaya MLA
Cowell, Nick. et al.
"Dasar-dasar marketing modern=fundamentals of modern marketing".
Yogyakarta:
Yogyakarta: Liberty; 1988,
1988.
Text.