Dyfyniad APA

Senn, J. A. (1989). Analysis & design of Information systems. - 2nd. , (2nd. ,.). McGraw Hill publishing.

Dyfyniad Arddull Chicago

Senn, James A. Analysis & Design of Information Systems. - 2nd. ,. 2nd. ,. New York: McGraw Hill publishing, 1989.

Dyfyniad MLA

Senn, James A. Analysis & Design of Information Systems. - 2nd. ,. 2nd. ,. McGraw Hill publishing, 1989.

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