Gaya APA
Harford, Tim. (2007).
The Undercover Economist (Paperback ed).
London:
Abacus.
Gaya Chicago
Harford, Tim.
The Undercover Economist.
Paperback ed
London:
Abacus,
2007.
Text.
Gaya MLA
Harford, Tim.
The Undercover Economist.
Paperback ed
London:
Abacus,
2007.
Text.
Gaya Turabian
Harford, Tim.
The Undercover Economist.
Paperback ed
London:
Abacus,
2007.
Print.