Gaya APA

Hilmer, C, E., Hilmer, M, J. (2014). Practical econometrics: data collection, analysis, and application . New York: McGraw-Hill Education.

Gaya MLA

Hilmer, Christiana, E.., Hilmer, Michael, J.. "Practical econometrics: data collection, analysis, and application". New York: McGraw-Hill Education, 2014. Textbook.