Gaya APA
Gregory, C.A. (1989).
Observing the economy .
London:
Routledge.
Gaya Chicago
Gregory, C.A.
Observing the economy.
London:
Routledge,
1989.
Text.
Gaya MLA
Gregory, C.A.
Observing the economy.
London:
Routledge,
1989.
Text.
Gaya Turabian
Gregory, C.A.
Observing the economy.
London:
Routledge,
1989.
Print.