Gaya APA
Sastrio, Tri Budhi. (2000).
First class : an introduction to travel and tourism (2nd ed).
Jakarta:
Raja Grafindo Persada.
Gaya Chicago
Sastrio, Tri Budhi.
First class : an introduction to travel and tourism.
2nd ed
Jakarta:
Raja Grafindo Persada,
2000.
Text.
Gaya MLA
Sastrio, Tri Budhi.
First class : an introduction to travel and tourism.
2nd ed
Jakarta:
Raja Grafindo Persada,
2000.
Text.
Gaya Turabian
Sastrio, Tri Budhi.
First class : an introduction to travel and tourism.
2nd ed
Jakarta:
Raja Grafindo Persada,
2000.
Print.