Cita APA (7th ed.)

Punnett, B. J., & Ricks, D. A. (1992). International business. PWS-Kent Pub. Co..

Cita Chicago (17th ed.)

Punnett, Betty Jane, i David A. Ricks. International Business. Boston: PWS-Kent Pub. Co., 1992.

Cita MLA (9th ed.)

Punnett, Betty Jane, i David A. Ricks. International Business. PWS-Kent Pub. Co., 1992.