Gaya APA
Sukirman, S, A, D. (2009).
BIOLOGI FOR JUNIOR HIGH SCHOOL III YEAR IX (Ed -, Cet -).
Jakarta timur:
Yudhistira.
Gaya MLA
Sukirman, Suyitno, A, Dan.
"BIOLOGI FOR JUNIOR HIGH SCHOOL III YEAR IX".
Ed -, Cet -
Jakarta timur:
Yudhistira,
2009.
Text.