Gaya APA

Lundberg, D, E., Walker, J, R. (1993). The Restaurant from concept to operation (2nd ed.). New York: John Wiley & Sons, Inc..

Gaya MLA

Lundberg, Donald, E.., Walker, John, R.. "The Restaurant from concept to operation". 2nd ed. New York: John Wiley & Sons, Inc., 1993. BUKU.