Gaya APA
Yap, Josef. (1990).
Asean link an econometric study .
Singapore:
Longman.
Gaya Chicago
Yap, Josef.
Asean link an econometric study.
Singapore:
Longman,
1990.
Text.
Gaya MLA
Yap, Josef.
Asean link an econometric study.
Singapore:
Longman,
1990.
Text.
Gaya Turabian
Yap, Josef.
Asean link an econometric study.
Singapore:
Longman,
1990.
Print.