Cita APA (7a ed.)

Payne, J., & Dorn, W. R. (2012). Managing indirect spend: Enhancing profitability through strategic sourcing (1st edition.). Wiley.

Cita Chicago Style (17a ed.)

Payne, Joseph, y William R. Dorn. Managing Indirect Spend: Enhancing Profitability Through Strategic Sourcing. 1st edition. Hoboken, N.J.: Wiley, 2012.

Cita MLA (9a ed.)

Payne, Joseph, y William R. Dorn. Managing Indirect Spend: Enhancing Profitability Through Strategic Sourcing. 1st edition. Wiley, 2012.