Cita APA (7a ed.)

Ellis, J., & Williams, D. (1995). International business strategy. Financial Times Prentice Hall/Pearson Education.

Cita Chicago Style (17a ed.)

Ellis, John, y David Williams. International Business Strategy. Harlow: Financial Times Prentice Hall/Pearson Education, 1995.

Cita MLA (9a ed.)

Ellis, John, y David Williams. International Business Strategy. Financial Times Prentice Hall/Pearson Education, 1995.