Gaya APA
(et.al), C, A. (2018).
Travel Marketing Tourism Economoics and the Airline Product .
Boca Raton:
Springer.
Gaya MLA
(et.al), CAMILLERI,Mark, Anthony.
"Travel Marketing Tourism Economoics and the Airline Product".
Boca Raton:
Springer,
2018.
Text.