Gaya APA
Tan Sor Hoon, dkk. (2011).
Annual Report 2011 .
Singapore:
asia research institute.
Gaya Chicago
Tan Sor Hoon, dkk.
Annual Report 2011.
Singapore:
asia research institute,
2011.
Text.
Gaya MLA
Tan Sor Hoon, dkk.
Annual Report 2011.
Singapore:
asia research institute,
2011.
Text.
Gaya Turabian
Tan Sor Hoon, dkk.
Annual Report 2011.
Singapore:
asia research institute,
2011.
Print.