Citazione Stile APA (7a Edizione)

Gross, S., & Klemmer, L. (2014). Introduction to tourism transport. CAB International.

Citazione stile Chigago Style (17a edizione)

Gross, Sven, e Louisa Klemmer. Introduction to Tourism Transport. Boston: CAB International, 2014.

Citatione MLA (9a ed.)

Gross, Sven, e Louisa Klemmer. Introduction to Tourism Transport. CAB International, 2014.