Gaya APA

Sujatmiko, P. (2010). The Essentials Of Mathematics For Grade VII of Junior High School and Islamic Junior High School . Solo: Tiga Serangkai.

Gaya MLA

Sujatmiko, Ponco. "The Essentials Of Mathematics For Grade VII of Junior High School and Islamic Junior High School". Solo: Tiga Serangkai, 2010. Text.