Citazione Stile APA (7a Edizione)

Zonis, M., & Semler, D. (1992). The East European opportunity: The complete business guide and sourcebook. Wiley.

Citazione stile Chigago Style (17a edizione)

Zonis, Marvin, e Dwight Semler. The East European Opportunity: The Complete Business Guide and Sourcebook. New York: Wiley, 1992.

Citatione MLA (8a ed.)

Zonis, Marvin, e Dwight Semler. The East European Opportunity: The Complete Business Guide and Sourcebook. Wiley, 1992.