Gaya APA
FONT, X., BUCKLEY, R. (2001).
TOURISM ECOLABELLING: Certification and Promotion of Sustainable Management .
:
CABI Publishing.
Gaya MLA
FONT, X.., BUCKLEY, R.C..
"TOURISM ECOLABELLING: Certification and Promotion of Sustainable Management".
:
CABI Publishing,
2001.
Text.