Gaya APA

Denny, I, P., Yulianto, D. (2011). The miracle of probiotics (Cet.1). Yogyakarta: .

Gaya MLA

Denny, Indra, Praja,., Yulianto, Dion. "The miracle of probiotics". Cet.1 Yogyakarta: , 2011. Textbook.