APA
Hospitality Valuation Services International, . (1991). The Central London five-star hotel market: 1990 a year in perspective. London: Hospitality Valuation Services Internati.
Chicago
Hospitality Valuation Services International, . 1991. The Central London five-star hotel market: 1990 a year in perspective. London: Hospitality Valuation Services Internati.
Harvard
Hospitality Valuation Services International, . (1991). The Central London five-star hotel market: 1990 a year in perspective. London: Hospitality Valuation Services Internati.
MLA
Hospitality Valuation Services International, . The Central London five-star hotel market: 1990 a year in perspective. London: Hospitality Valuation Services Internati. 1991.
