Gaya APA

HARDANI, W. et al (2006). Dasar - dasar ekonometrika = essentials of econometrics (3 rd edition). Jakarta: Salemba Empat.

Gaya MLA

HARDANI, Wibi. et al. "Dasar - dasar ekonometrika = essentials of econometrics". 3 rd edition Jakarta: Salemba Empat, 2006. Text.