Gaya APA

PARKIN,Michael. (2014). Economics ed.11 (11th). England: Pearson.

Gaya Chicago

PARKIN,Michael. Economics ed.11. 11th England: Pearson, 2014. Monograf.

Gaya MLA

PARKIN,Michael. Economics ed.11. 11th England: Pearson, 2014. Monograf.

Gaya Turabian

PARKIN,Michael. Economics ed.11. 11th England: Pearson, 2014. Monograf.