Gaya APA
Andrews, Jhon. (1991).
Asian challenge .
Quarry Bay:
Longman Group LTD.
Gaya Chicago
Andrews, Jhon.
Asian challenge.
Quarry Bay:
Longman Group LTD,
1991.
Text.
Gaya MLA
Andrews, Jhon.
Asian challenge.
Quarry Bay:
Longman Group LTD,
1991.
Text.
Gaya Turabian
Andrews, Jhon.
Asian challenge.
Quarry Bay:
Longman Group LTD,
1991.
Print.