Gaya APA

Maarif, S., Nuraisyah, A. (2021). Sistem bio-bisnis " creating new entrepreneurs and new ventures" (Cet. 1). Bogor: IPB Press.

Gaya MLA

Maarif, Syamsul., Nuraisyah, Ani. "Sistem bio-bisnis " creating new entrepreneurs and new ventures"". Cet. 1 Bogor: IPB Press, 2021. Text.