APA Citation

Gul, S., & Astri K. (2007). Sistem Hormon. Jakarta: Yudidtira.

Chicago Style Citation

Gul, Sema, and Astri K. Sistem Hormon. Jakarta: Yudidtira, 2007.

MLA Citation

Gul, Sema, and Astri K. Sistem Hormon. Jakarta: Yudidtira, 2007.

Warning: These citations may not always be 100% accurate.