Cita APA (7th ed.)

Palmer, A., & Worthington, I. (1992). The business and marketing environment. McGraw-Hill Book Co.

Cita Chicago (17th ed.)

Palmer, Adrian, i Ian Worthington. The Business and Marketing Environment. London, New York: McGraw-Hill Book Co, 1992.

Cita MLA (9th ed.)

Palmer, Adrian, i Ian Worthington. The Business and Marketing Environment. McGraw-Hill Book Co, 1992.