Gaya APA

Walker, J, R., Lundberg, D, E. (2005). The Restaurant from concept to operation (5th ed.). New Jersey: John Wiley& Sons, Inc..

Gaya MLA

Walker, John, R.., Lundberg, Donald, E.. "The Restaurant from concept to operation". 5th ed. New Jersey: John Wiley& Sons, Inc., 2005. BUKU.