APA Style
WTO-ETAG joint seminar: tourism and environmental protection heidelberg, germany, 16-18 may 1996. (1996).
Madrid:
the World Tourism Organization.
Chicago Style
WTO-ETAG joint seminar: tourism and environmental protection heidelberg, germany, 16-18 may 1996.
.
Madrid:
the World Tourism Organization,
1996.
Text.
MLA Style
WTO-ETAG joint seminar: tourism and environmental protection heidelberg, germany, 16-18 may 1996.
.
Madrid:
the World Tourism Organization,
1996.
Text.
Turabian Style
WTO-ETAG joint seminar: tourism and environmental protection heidelberg, germany, 16-18 may 1996.
Madrid:
the World Tourism Organization,
1996.
Print.