APA (7th ed.) Citation

ZEILENGA, D. G. (1992). As/400 A Practical Guide To Programming And Operation Donald G. Zeilenga And Donna M. Lenczycki. QED Publishing group.

Chicago Style (17th ed.) Citation

ZEILENGA, Donald G. As/400 A Practical Guide To Programming And Operation Donald G. Zeilenga And Donna M. Lenczycki. QED Publishing group, 1992.

MLA (8th ed.) Citation

ZEILENGA, Donald G. As/400 A Practical Guide To Programming And Operation Donald G. Zeilenga And Donna M. Lenczycki. QED Publishing group, 1992.

Warning: These citations may not always be 100% accurate.