Gaya APA

J, A. (1990). Metode Peramalan Kuantitatif (Ed.1 Cet.1). Yogyakarta, DIY: Liberty.

Gaya MLA

J, AWAT,Napa. "Metode Peramalan Kuantitatif". Ed.1 Cet.1 Yogyakarta, DIY: Liberty, 1990. Text.