Gaya APA
Sumarwan, . et al (2006).
Bilingual Science Biology for Junior High School 3 .
Jakarta, Indonesia:
Penerbit Erlangga.
Gaya MLA
Sumarwan, . et al.
"Bilingual Science Biology for Junior High School 3".
Jakarta, Indonesia:
Penerbit Erlangga,
2006.
Text.