Gaya APA
Vernon, R., Wells, L, T, J. (1991).
The Manager in the international economy .
Englewood Cliffs, NJ:
Prentice-Hall.
Gaya MLA
Vernon, Raymond., Wells, Louist, T., Jr..
"The Manager in the international economy".
Englewood Cliffs, NJ:
Prentice-Hall,
1991.
Text.