Pichon, L. (1996). Environmental management for hotels: The Industry guide to best practice (2nd ed.). Oxford: Butterworth-Heinemann.
Chicago-стиль цитированияPichon, Liz,res. Environmental Management for Hotels: The Industry Guide to Best Practice. 2nd ed. Oxford: Butterworth-Heinemann, 1996.
MLA-цитированиеPichon, Liz,res. Environmental Management for Hotels: The Industry Guide to Best Practice. 2nd ed. Oxford: Butterworth-Heinemann, 1996.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.