Gaya APA

e-learning Biology for Junior High School (SMP kelas VII, VIII, IX) Buku Panduan. (). Tangerang: PT Centrinova Solusi Edukasi.

Gaya MLA

e-learning Biology for Junior High School (SMP kelas VII, VIII, IX) Buku Panduan. . Tangerang: PT Centrinova Solusi Edukasi, . Text.