Gaya APA
Daniels, J, D., H, R. (1995).
International Business : Environment and Operation (Seventh-Edition).
USA:
Addison-Wesley Publishing Company.
Gaya MLA
Daniels, Jonh, D., H, Radebaughlec.
"International Business : Environment and Operation".
Seventh-Edition
USA:
Addison-Wesley Publishing Company,
1995.
Text.