APA način citiranja (7. izdanje)

Nusbaumer, J. (1987). Services in the global market. Klumer Academic.

Čikaški stil citiranja (17. izdanje)

Nusbaumer, Jacques. Services in the Global Market. Boston: Klumer Academic, 1987.

MLA način citiranja (9. izdanje)

Nusbaumer, Jacques. Services in the Global Market. Klumer Academic, 1987.