Gaya APA

COELLI, T, J, ., ODONNELL, C, J. (2005). An Introduction to Efficiency And Productivity Analysis 2ed (2). New York: Springer-Verlag.

Gaya MLA

COELLI, Timothy, J, ., ODONNELL, Christopher, J.. "An Introduction to Efficiency And Productivity Analysis 2ed". 2 New York: Springer-Verlag, 2005. Printed.