(1972). Learn about machines. McGraw-Hill.
Chicago Edition CitationLearn About Machines. McGraw-Hill, 1972.
Deismireacht MLALearn About Machines. McGraw-Hill, 1972.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.
(1972). Learn about machines. McGraw-Hill.
Chicago Edition CitationLearn About Machines. McGraw-Hill, 1972.
Deismireacht MLALearn About Machines. McGraw-Hill, 1972.