Gaya APA

Haerullah, A., Yusuf, M. (2015). Konsep dasar IPA-BIOLOGI (cet. 1). Ternate: Lepkhair.

Gaya MLA

Haerullah, Ade., Yusuf, Mukhtar. "Konsep dasar IPA-BIOLOGI". cet. 1 Ternate: Lepkhair, 2015. Text.