APA Style
Tommy Ga¨rling, Dick Ettema and Margareta Friman. (2014).
Handbook of Sustainable
Travel .
New York:
Springer Science Business Media, Inc..
Chicago Style
Tommy Ga¨rling, Dick Ettema and Margareta Friman.
Handbook of Sustainable
Travel.
New York:
Springer Science Business Media, Inc.,
2014.
Text.
MLA Style
Tommy Ga¨rling, Dick Ettema and Margareta Friman.
Handbook of Sustainable
Travel.
New York:
Springer Science Business Media, Inc.,
2014.
Text.
Turabian Style
Tommy Ga¨rling, Dick Ettema and Margareta Friman.
Handbook of Sustainable
Travel.
New York:
Springer Science Business Media, Inc.,
2014.
Print.