APA-referens

Lee, B., & Lee, B. (1979). Introducing systems analysis and design v.1. Galgotia Book source.

Chicago-stil citat

Lee, Barry.ed, och Barry Lee. Introducing Systems Analysis and Design V.1. New Delhi.: Galgotia Book source, 1979.

MLA-referens

Lee, Barry.ed, och Barry Lee. Introducing Systems Analysis and Design V.1. Galgotia Book source, 1979.