Dyfyniad APA

British Standards Institution. (1966). Specification for data processing problem definition and analysis. The Institution.

Dyfyniad Arddull Chicago

British Standards Institution. Specification for Data Processing Problem Definition and Analysis. London: The Institution, 1966.

Dyfyniad MLA

British Standards Institution. Specification for Data Processing Problem Definition and Analysis. The Institution, 1966.

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