Gaya APA
Gunanto, ., Khafid, M.
(2010).
Active Mathematics for Elementary School Year 5 Semester 1
.
Jakarta:
Esis.
Gaya MLA
Gunanto, ., Khafid, M..
"Active Mathematics for Elementary School Year 5 Semester 1".
Jakarta:
Esis,
2010.
Text.