Gaya APA

Purwaningtias, D. et al (2020). E-Business (Cet. 1-Ed. 1). Jakarta,: graha ilmu pub.

Gaya MLA

Purwaningtias, Deasy. et al. "E-Business". Cet. 1-Ed. 1 Jakarta,: graha ilmu pub, 2020. Buku Teks.