Gaya APA
Rosenthal, M, S., Swanson, C, P. (1950).
**Techniques of international trade Revision of technical prosedure ì in exporting and importing .
New York:
.
Gaya MLA
Rosenthal, Morris, S., Swanson, Carl, P..
"**Techniques of international trade Revision of technical prosedure ì in exporting and importing".
New York:
,
1950.
Text.