Gaya APA

Sumarsono, . et al (2005). Steps to master english for junior high school, grade vii (Cet. 1). Bekasi: Galaxy Puspa Mega.

Gaya MLA

Sumarsono, . et al. "Steps to master english for junior high school, grade vii". Cet. 1 Bekasi: Galaxy Puspa Mega, 2005. Text.