APA
Greene Belfield-Smith and Company, . (1981). Trends in hotel sales and profits 1975 - 1980. London: Greene Belfield-Smith and Company.
Chicago
Greene Belfield-Smith and Company, . 1981. Trends in hotel sales and profits 1975 - 1980. London: Greene Belfield-Smith and Company.
Harvard
Greene Belfield-Smith and Company, . (1981). Trends in hotel sales and profits 1975 - 1980. London: Greene Belfield-Smith and Company.
MLA
Greene Belfield-Smith and Company, . Trends in hotel sales and profits 1975 - 1980. London: Greene Belfield-Smith and Company. 1981.
