Lesikar, R. V., Pettit, J. D., & Flatley, M. E. (1999). Lesikar's basic business communication (8th ed., International ed.). Irwin/McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Lesikar, Raymond Vincent, John D. Pettit, e Marie Elizabeth Flatley. Lesikar's Basic Business Communication. 8th ed., International ed. Boston: Irwin/McGraw-Hill, 1999.
Citatione MLA (8a ed.)Lesikar, Raymond Vincent, et al. Lesikar's Basic Business Communication. 8th ed., International ed. Irwin/McGraw-Hill, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.