Gaya APA
The business travellers handbook. (1983).
New Jersey:
Pretice Hall Inc.
Gaya Chicago
The business travellers handbook.
.
New Jersey:
Pretice Hall Inc,
1983.
Text.
Gaya MLA
The business travellers handbook.
.
New Jersey:
Pretice Hall Inc,
1983.
Text.
Gaya Turabian
The business travellers handbook.
New Jersey:
Pretice Hall Inc,
1983.
Print.