Gaya APA

purwantini, S, I. (2021). Standardisasi Obat Herbal (ed 1). yogyakarta: Gadjah Mada University Press.

Gaya MLA

purwantini, Sudarsono, Indah. "Standardisasi Obat Herbal". ed 1 yogyakarta: Gadjah Mada University Press, 2021. teks.