Cita APA (7a ed.)

Baily, P. (2005). Purchasing principles and amanagement (9th ed.). FT Prentice Hall.

Cita Chicago Style (17a ed.)

Baily, Peter. Purchasing Principles and Amanagement. 9th ed. Harlow [etc.]: FT Prentice Hall, 2005.

Cita MLA (9a ed.)

Baily, Peter. Purchasing Principles and Amanagement. 9th ed. FT Prentice Hall, 2005.