SUGIARTO & HARIJONO. (2000). Peramalan bisnis. Gramedia Pustaka Utama.
Chicago Style (17th ed.) CitationSUGIARTO and HARIJONO. Peramalan Bisnis. Jakarta: Gramedia Pustaka Utama, 2000.
MLA引文SUGIARTO and HARIJONO. Peramalan Bisnis. Gramedia Pustaka Utama, 2000.
警告:這些引文格式不一定是100%准確.