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.