Sidik, G. G. ;. A. (1995). Sistem-Sistem Ekonomi. Bumi Aksara.
Chicago Style (17th ed.) CitationSidik, Gregory Grossman ; Anas. Sistem-Sistem Ekonomi. Bumi Aksara, 1995.
MLA (8th ed.) CitationSidik, Gregory Grossman ; Anas. Sistem-Sistem Ekonomi. Bumi Aksara, 1995.
Warning: These citations may not always be 100% accurate.