Gaya APA
Tarigan, J., Ang, S.
(2010).
The ExcelCounting
(
1)
.
Yogyakarta:
Graha Ilmu.
Gaya MLA
Tarigan, Josua., Ang, Sany.
"The ExcelCounting".
1
Yogyakarta:
Graha Ilmu,
2010.
Book.