Cita APA

Schwab, K., & Porter, M. E. S. (1999). global competitiveness report 1999. Oxford University.

Citación estilo Chicago

Schwab, Klaus, y Michael E. Sachs Porter. Global Competitiveness Report 1999. New Delhi: Oxford University, 1999.

Cita MLA

Schwab, Klaus, y Michael E. Sachs Porter. Global Competitiveness Report 1999. Oxford University, 1999.