Ellis, J., & Williams, D. (1995). International business strategy. Financial Times Prentice Hall/Pearson Education.
Tohutoru Kātū Chicago (17th ed.)Ellis, John, me David Williams. International Business Strategy. Harlow: Financial Times Prentice Hall/Pearson Education, 1995.
Tohutoro MLA (9th ed.)Ellis, John, me David Williams. International Business Strategy. Financial Times Prentice Hall/Pearson Education, 1995.