Dyfyniad APA

Consultancy and contract engineering orgaisations. (1975). Guide for selection of consultancy organisation.

Dyfyniad Arddull Chicago

Consultancy and contract engineering orgaisations. Guide for Selection of Consultancy Organisation. 1975.

Dyfyniad MLA

Consultancy and contract engineering orgaisations. Guide for Selection of Consultancy Organisation. 1975.

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