Siregar, M. (1981). Beberapa Masalah Ekonomi dan Management Pengangkutan. Saint Joseph's University.
Chicago Style (17th ed.) CitationSiregar, Muchtarudin. Beberapa Masalah Ekonomi Dan Management Pengangkutan. Saint Joseph's University, 1981.
MLA (8th ed.) CitationSiregar, Muchtarudin. Beberapa Masalah Ekonomi Dan Management Pengangkutan. Saint Joseph's University, 1981.
Warning: These citations may not always be 100% accurate.