Leon, A. (2003). IBM mainframe handbook (1st Ed.). Vikas Publishing House.
Chicago Edition CitationLeon, Alexis. IBM Mainframe Handbook. 1st Ed. Vikas Publishing House, 2003.
MLA Edition CitationLeon, Alexis. IBM Mainframe Handbook. 1st Ed. Vikas Publishing House, 2003.
Warning: These citations may not always be 100% accurate.