Cullen, P., & Peter Cullen. (1997). Economics for Hospitality Management (Chapman & Hall Series in Tourism & Hospitality Management. London: Cengage Learning EMEA.
استشهاد بنمط شيكاغوCullen, Peter, و Peter Cullen. Economics for Hospitality Management (Chapman & Hall Series in Tourism & Hospitality Management. London: Cengage Learning EMEA, 1997.
MLA استشهادCullen, Peter, و Peter Cullen. Economics for Hospitality Management (Chapman & Hall Series in Tourism & Hospitality Management. London: Cengage Learning EMEA, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.