Sumner, J. R. (1982). Improve your maketing techniques: A guide for hotel managers and caterers.
Chicago Edition CitationSumner, J R. Improve Your Maketing Techniques: A Guide for Hotel Managers and Caterers. Northwood Books, Britain, 1982.
MLA Edition CitationSumner, J R. Improve Your Maketing Techniques: A Guide for Hotel Managers and Caterers. 1982.
Warning: These citations may not always be 100% accurate.