Gaya APA
PARKIN,Michael. (2003).
Economics ed.6 (6th).
USA:
Addison Wesley.
Gaya Chicago
PARKIN,Michael.
Economics ed.6.
6th
USA:
Addison Wesley,
2003.
Monograf.
Gaya MLA
PARKIN,Michael.
Economics ed.6.
6th
USA:
Addison Wesley,
2003.
Monograf.
Gaya Turabian
PARKIN,Michael.
Economics ed.6.
6th
USA:
Addison Wesley,
2003.
Monograf.