Olfert, K. (1995). Investition (6η έκδ.). Kiehl.
Chicago Style (17th ed.) CitationOlfert, Klaus. Investition. 6η έκδ. Ludwigshafen (Rhein): Kiehl, 1995.
MLA (8th ed.) CitationOlfert, Klaus. Investition. 6η έκδ. Kiehl, 1995.
Warning: These citations may not always be 100% accurate.