Gaya APA

Tanjung, H., Siregar, H. (2012). Macroeconomics an evaluationary approach (cet.1). Bogor: IPB Press.

Gaya MLA

Tanjung, Hendri., Siregar, Hermanto. "Macroeconomics an evaluationary approach". cet.1 Bogor: IPB Press, 2012. Text.