Gaya APA

al.), H, F. (2014). Advanced learning economics 2 : for grade XI Senior High School = social sciences programme . Bandung: Grafindo Media Pratama.

Gaya MLA

al.), Herlan, Firmansyah...(et. "Advanced learning economics 2 : for grade XI Senior High School = social sciences programme". Bandung: Grafindo Media Pratama, 2014. Text.