APA Style
Mill, Robert Christie. (1990).
Tourism : the International Business .
London:
Prentice Hall.
Chicago Style
Mill, Robert Christie.
Tourism : the International Business.
London:
Prentice Hall,
1990.
Text.
MLA Style
Mill, Robert Christie.
Tourism : the International Business.
London:
Prentice Hall,
1990.
Text.
Turabian Style
Mill, Robert Christie.
Tourism : the International Business.
London:
Prentice Hall,
1990.
Print.