Citazione Stile APA (7a Edizione)

Ninemeier, J. D., & Hayes, D. K. (2010). Procurement of hospitality resources. Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Ninemeier, Jack D., e David K. Hayes. Procurement of Hospitality Resources. Upper Saddle River, N.J: Prentice Hall, 2010.

Citatione MLA (9a ed.)

Ninemeier, Jack D., e David K. Hayes. Procurement of Hospitality Resources. Prentice Hall, 2010.