Gaya APA

Sijabat, J, P. (2019). Buku Latihan Soal: Mantappu Jiwa (e-book) . : PT. Gramedia Pustaka Utama.

Gaya MLA

Sijabat, Jerome, Polin. "Buku Latihan Soal: Mantappu Jiwa (e-book)". : PT. Gramedia Pustaka Utama, 2019. Electronic Resource.