Gaya APA

lumbantoruan, J, H., Suyono, . (2019). Buku Integral Tak-Tentu (Ed.1 , Jil.1). Jakarta: UKI-Press.

Gaya MLA

lumbantoruan, Jitu, Halomoan., Suyono, . "Buku Integral Tak-Tentu". Ed.1 , Jil.1 Jakarta: UKI-Press, 2019. Text.