Dyfyniad APA

(1982). Introducing systems analysis and design. Galgotia.

Dyfyniad Arddull Chicago

Introducing Systems Analysis and Design. New Delhi: Galgotia, 1982.

Dyfyniad MLA

Introducing Systems Analysis and Design. Galgotia, 1982.

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