Gaya APA

Retnaningrum, E. (2017). Bahan ajar mikrobiologi (Cet.1). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Retnaningrum, Endah. "Bahan ajar mikrobiologi". Cet.1 Yogyakarta: Gadjah Mada University Press, 2017. Text.