Gaya APA

McCONNELL, C, R. et al (2015). Economis, 20 edition (20 Edition). New York: McGraw-Hill Education.

Gaya MLA

McCONNELL, Campbell, R.. et al. "Economis, 20 edition". 20 Edition New York: McGraw-Hill Education, 2015. FAKULTAS EKONOMI.