Citazione Stile APA (7a Edizione)

Kern, D. (2011). Essays on purchasing and supply management. Springer.

Citazione stile Chigago Style (17a edizione)

Kern, Daniel. Essays on Purchasing and Supply Management. Wiesbaden Gabler Verlag: Springer, 2011.

Citatione MLA (9a ed.)

Kern, Daniel. Essays on Purchasing and Supply Management. Springer, 2011.