Cullen, P. (1997). Economics for hospitality management. London: International Thomson Business Press.
Chicago Stili AlıntıCullen, Peter. Economics for Hospitality Management. London: International Thomson Business Press, 1997.
MLA AlıntıCullen, Peter. Economics for Hospitality Management. London: International Thomson Business Press, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..