Ellis, J., & Williams, D. (1995). International business strategy. Financial Times Prentice Hall/Pearson Education.
Chicago-viite (17. p.)Ellis, John, ja David Williams. International Business Strategy. Harlow: Financial Times Prentice Hall/Pearson Education, 1995.
MLA-viite (9. p.)Ellis, John, ja David Williams. International Business Strategy. Financial Times Prentice Hall/Pearson Education, 1995.