Gaya APA
Land, Geoffrey. (1986).
Business reading .
Essex:
Longman.
Gaya Chicago
Land, Geoffrey.
Business reading.
Essex:
Longman,
1986.
Text.
Gaya MLA
Land, Geoffrey.
Business reading.
Essex:
Longman,
1986.
Text.
Gaya Turabian
Land, Geoffrey.
Business reading.
Essex:
Longman,
1986.
Print.