Gaya APA

Kasri, M, K., Darmanto, M. (2010). Active Mathematics [4a] : For Elementary School Year IV Semester 1 (--). Jakarta: Esis.

Gaya MLA

Kasri, M., Khafid., Darmanto, Muji. "Active Mathematics [4a] : For Elementary School Year IV Semester 1". -- Jakarta: Esis, 2010. Text.