Gaya APA
Gunanto, M, K, &. (2010).
Active mathematics For Elementary School Year 6 Semester 1 (6A) (1).
Bandung:
Penerbit Erlangga.
Gaya MLA
Gunanto, M., Khafid, &.
"Active mathematics For Elementary School Year 6 Semester 1 (6A)".
1
Bandung:
Penerbit Erlangga,
2010.
Text.