Gaya APA
Doganis, Rigas. (1992).
The Airport business .
Madison:
Routledge.
Gaya Chicago
Doganis, Rigas.
The Airport business.
Madison:
Routledge,
1992.
Text.
Gaya MLA
Doganis, Rigas.
The Airport business.
Madison:
Routledge,
1992.
Text.
Gaya Turabian
Doganis, Rigas.
The Airport business.
Madison:
Routledge,
1992.
Print.