Gaya APA
Ray, A. (1993).
internasional Business Law : Text, Cases, and Reading (4th.ed).
United States:
Pearson Prentice Hall.
Gaya MLA
Ray, August.
"internasional Business Law : Text, Cases, and Reading".
4th.ed
United States:
Pearson Prentice Hall,
1993.
Text.