Gaya APA

Simatupang, J, W., Ambarita, D. (2024). PPh 21 (Cet. 1). Yogyakarta: Deepublish.

Gaya MLA

Simatupang, Joni, Welman., Ambarita, Dinar. "PPh 21". Cet. 1 Yogyakarta: Deepublish, 2024. Text.