Gaya APA
Wallace, Iain. (1990).
The Global economic system .
London:
Unwin Hyman.
Gaya Chicago
Wallace, Iain.
The Global economic system.
London:
Unwin Hyman,
1990.
Text.
Gaya MLA
Wallace, Iain.
The Global economic system.
London:
Unwin Hyman,
1990.
Text.
Gaya Turabian
Wallace, Iain.
The Global economic system.
London:
Unwin Hyman,
1990.
Print.