Gaya APA

Tarigan, J., Sany, I, A. (2010). The ExcelCounting . Yogyakarta, Graha Ilmu, 2010: .

Gaya MLA

Tarigan, Josua., Sany, I., Ang,. "The ExcelCounting". Yogyakarta, Graha Ilmu, 2010: , 2010. .