Gaya APA
Lazzeretti, L., Petrillo, C, S. (2006).
EBOOK : TOURISM LOCAL SYSTEMS AND NETWORKING .
Oxford:
Elsevier Ltd.
Gaya MLA
Lazzeretti, Luciana., Petrillo, Clara, S..
"EBOOK : TOURISM LOCAL SYSTEMS AND NETWORKING".
Oxford:
Elsevier Ltd,
2006.
Text.