Gaya APA
Adamson, Donald. (1989).
International hotel English .
:
Prentice Hall.
Gaya Chicago
Adamson, Donald.
International hotel English.
:
Prentice Hall,
1989.
Text.
Gaya MLA
Adamson, Donald.
International hotel English.
:
Prentice Hall,
1989.
Text.
Gaya Turabian
Adamson, Donald.
International hotel English.
:
Prentice Hall,
1989.
Print.