Gaya APA
Parkin, Michael.. (1990).
Economics / Michael Parkin .
:
Addison Wesley.
Gaya Chicago
Parkin, Michael..
Economics / Michael Parkin.
:
Addison Wesley,
1990.
Text.
Gaya MLA
Parkin, Michael..
Economics / Michael Parkin.
:
Addison Wesley,
1990.
Text.
Gaya Turabian
Parkin, Michael..
Economics / Michael Parkin.
:
Addison Wesley,
1990.
Print.