Mancini, Marc
Time management / Marc Mancini
McGraw-Hill, 2003
 Buku Teks
Mancini, Marc
Time management: The Business Skill Express Series / Marc Mancini
McGraw-Hill, 1994
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Metelka, Charles J.
The dictionary of hospitality, travel, and tourism
Delmar, 1990
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Middleton, Victor T.C.
Marketing in travel and tourism
Butterworth-Heinemann, 2000
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Boniface, Brian G
Worldwide destinations: the geography of travel and tourism
Routledge, 2016
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