APA Style
International travel and tourism. (1993).
New York:
John Wiley & Sons.
Chicago Style
International travel and tourism.
2nd ed..
New York:
John Wiley & Sons,
1993.
.
MLA Style
International travel and tourism.
2nd ed..
New York:
John Wiley & Sons,
1993.
.
Turabian Style
International travel and tourism.
New York:
John Wiley & Sons,
1993.
.