Dyfyniad APA

Lee, B., & Lee, B. (1979). Introducing systems analysis and design v.2. Galgotia Book source.

Dyfyniad Arddull Chicago

Lee, Barry.ed, and Barry Lee. Introducing Systems Analysis and Design V.2. New Delhi.: Galgotia Book source, 1979.

Dyfyniad MLA

Lee, Barry.ed, and Barry Lee. Introducing Systems Analysis and Design V.2. Galgotia Book source, 1979.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.