Gaya APA
Retnawati, H. et al (2010).
Fun Learning: Mathematics 3 for Grade III Elementary School: Student's Book .
Bandung:
Facil.
Gaya MLA
Retnawati, Heri. et al.
"Fun Learning: Mathematics 3 for Grade III Elementary School: Student's Book".
Bandung:
Facil,
2010.
Text.