APA Citation

R, A. R. (2002). Peramalan bisnis. Ghalia Indonesia.

Chicago Style Citation

R, Aritonang R.Lerbin. Peramalan Bisnis. Ghalia Indonesia, 2002.

MLA Citation

R, Aritonang R.Lerbin. Peramalan Bisnis. Ghalia Indonesia, 2002.

Warning: These citations may not always be 100% accurate.