Collin, P. H. (1994). Dictionary of hotels, tourism and catering management. UBSPD.
Chicago Stili AlıntıCollin, P. H. Dictionary of Hotels, Tourism and Catering Management. New Delhi: UBSPD, 1994.
MLA AlıntıCollin, P. H. Dictionary of Hotels, Tourism and Catering Management. UBSPD, 1994.
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