Gaya APA
Hardwick, Philip, Khan, Bahadur, Langmead, John. (1990).
An Introduction to modern economics (3rd ed).
London:
ELBS.
Gaya Chicago
Hardwick, Philip, Khan, Bahadur, Langmead, John.
An Introduction to modern economics.
3rd ed
London:
ELBS,
1990.
Text.
Gaya MLA
Hardwick, Philip, Khan, Bahadur, Langmead, John.
An Introduction to modern economics.
3rd ed
London:
ELBS,
1990.
Text.
Gaya Turabian
Hardwick, Philip, Khan, Bahadur, Langmead, John.
An Introduction to modern economics.
3rd ed
London:
ELBS,
1990.
Print.