Blackburn, J. J. D., Klayman, E. I. J. D. L., & Malin, M. H. J. D. (1991). The Legal Environment of Business (4th ed.). Richard D. Irwin.
Cita Chicago (17th ed.)Blackburn, John J. D., Elliot I. J. D. LL.M Klayman, i Martin H. J. D. Malin. The Legal Environment of Business. 4th ed. Boston: Richard D. Irwin, 1991.
Cita MLA (9th ed.)Blackburn, John J. D., et al. The Legal Environment of Business. 4th ed. Richard D. Irwin, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.