Gaya APA

Walker, J, R., Lunberg, D, E. (2005). THE RESTAURANTS FROM CONCEPT TO OPERATION (4). New Jersey: John Wiley & Sons, Incorporated.

Gaya MLA

Walker, John, R.., Lunberg, Donald, E.. "THE RESTAURANTS FROM CONCEPT TO OPERATION". 4 New Jersey: John Wiley & Sons, Incorporated, 2005. Text.