Gaya APA
Ali, Hashim. (1999).
Comprehensive Economics Guide For 'A' Level (2).
Singapore:
Federal Publications.
Gaya Chicago
Ali, Hashim.
Comprehensive Economics Guide For 'A' Level.
2
Singapore:
Federal Publications,
1999.
Text.
Gaya MLA
Ali, Hashim.
Comprehensive Economics Guide For 'A' Level.
2
Singapore:
Federal Publications,
1999.
Text.
Gaya Turabian
Ali, Hashim.
Comprehensive Economics Guide For 'A' Level.
2
Singapore:
Federal Publications,
1999.
Print.