APA
Cass Ronald A, Knoll Michael S, . (2003). International Trade Law. Aldershot: Ashgate Publishing Company.
Chicago
Cass Ronald A, Knoll Michael S, . 2003. International Trade Law. Aldershot: Ashgate Publishing Company.
Harvard
Cass Ronald A, Knoll Michael S, . (2003). International Trade Law. Aldershot: Ashgate Publishing Company.
MLA
Cass Ronald A, Knoll Michael S, . International Trade Law. Aldershot: Ashgate Publishing Company. 2003.