National Industrial Conference Board. (1958). Foreign licensing agreements. National Industrial Conference Board.
Cita Chicago (17th ed.)National Industrial Conference Board. Foreign Licensing Agreements. New York: National Industrial Conference Board, 1958.
Cita MLA (8th ed.)National Industrial Conference Board. Foreign Licensing Agreements. National Industrial Conference Board, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.