Cita APA

Ward, W. A. 1., Deren, B. J., & D`Silva, E. H. 1. (1991). The economics of project analysis: A practitioner guide. Washington: World Bank.

Citación estilo Chicago

Ward, William Augustus 1942-, Barry J. Deren, y Emmanuel H. 1959- D`Silva. The Economics of Project Analysis: A Practitioner Guide. Washington: World Bank, 1991.

Cita MLA

Ward, William Augustus 1942-, Barry J. Deren, y Emmanuel H. 1959- D`Silva. The Economics of Project Analysis: A Practitioner Guide. Washington: World Bank, 1991.