Gaya APA

Tanjung, H., siregar, H. (2012). Macroeconomics : an evolutionary approach (Cet.1). Bogor: IPB Press.

Gaya MLA

Tanjung, Hendri., siregar, Hermanto. "Macroeconomics : an evolutionary approach". Cet.1 Bogor: IPB Press, 2012. Teks.