Gaya APA

Daniels, J, D., Radebaugh, L, H. (1988). Internatioal Business; Environments and Operations Fifth Edition . California: Addison-Wesley Company.

Gaya MLA

Daniels, John, D.., Radebaugh, Lee, H.. "Internatioal Business; Environments and Operations Fifth Edition". California: Addison-Wesley Company, 1988. Text.