Gaya APA

SAMUELSON, N., GRETTA, T, T, B, C, A, E. (2004). ILMU MAKROEKONOMI (17). Jakarta: Media Global Edukasi.

Gaya MLA

SAMUELSON, NORDHAUS., GRETTA, THERESA, TANOTO,, BASCO, CARVALO,, ANNA, ELLY. "ILMU MAKROEKONOMI". 17 Jakarta: Media Global Edukasi, 2004. Text.