Dyfyniad APA

HANSON OWEN. (1988). DESIGN OF COMPUTER DATA FILES (2ND.). PITMAN PUBLICATIONS.

Dyfyniad Arddull Chicago

HANSON OWEN. DESIGN OF COMPUTER DATA FILES. 2ND. LONDON: PITMAN PUBLICATIONS, 1988.

Dyfyniad MLA

HANSON OWEN. DESIGN OF COMPUTER DATA FILES. 2ND. PITMAN PUBLICATIONS, 1988.

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