Gaya APA

Manurung, A, H., Sinaga, M, J. (2022). Emperical investment: a reading . Jakarta: Adler Manurung Press.

Gaya MLA

Manurung, Adler, Haymans., Sinaga, M, Jhonni. "Emperical investment: a reading". Jakarta: Adler Manurung Press, 2022. Text.