Gaya APA

Surya,Ph.D., T, P, Y. (2017). Kombinatorik (Cet.1). Tangerang: PT.Kandel.

Gaya MLA

Surya,Ph.D., Tim, Prof., Yohanes. "Kombinatorik". Cet.1 Tangerang: PT.Kandel, 2017. Text.