Isaacs, A. D. (1978). The multilingual commercial dictionary. Facts on File.
Cita Chicago (17th ed.)Isaacs, Alan. Dr. The Multilingual Commercial Dictionary. Facts on File, 1978.
Cita MLA (9th ed.)Isaacs, Alan. Dr. The Multilingual Commercial Dictionary. Facts on File, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.