Dyfyniad APA

United nations industrial development organisation. (1980). Manual for evaluation of industrial projects. Oxford & IBH publishing co.

Dyfyniad Arddull Chicago

United nations industrial development organisation. Manual for Evaluation of Industrial Projects. New York: Oxford & IBH publishing co, 1980.

Dyfyniad MLA

United nations industrial development organisation. Manual for Evaluation of Industrial Projects. Oxford & IBH publishing co, 1980.

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