Dyfyniad APA

Hewlett-Packard Company. (1981). HP-41C: Users' library solutions : heating, ventilating & air conditioning. Hewlett-Packard.

Dyfyniad Arddull Chicago

Hewlett-Packard Company. HP-41C: Users' Library Solutions : Heating, Ventilating & Air Conditioning. [United States]: Hewlett-Packard, 1981.

Dyfyniad MLA

Hewlett-Packard Company. HP-41C: Users' Library Solutions : Heating, Ventilating & Air Conditioning. Hewlett-Packard, 1981.

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