Gaya APA

Swanson, C, P., Kreinin, M, E. (NULL). International economics a palicy approach . San: San Diego: Harcourt Brace Jovanovich; 1987.

Gaya MLA

Swanson, Carl, P.., Kreinin, Mordechai, E. "International economics a palicy approach". San: San Diego: Harcourt Brace Jovanovich; 1987, NULL. Text.