Dyfyniad APA

(1980). Industrial ventilation: A manual of recommended practice. Lansing, Michigan: Committee on Industrial Ventilation.

Dyfyniad Arddull Chicago

Industrial Ventilation: A Manual of Recommended Practice. Lansing, Michigan: Committee on Industrial Ventilation, 1980.

Dyfyniad MLA

Industrial Ventilation: A Manual of Recommended Practice. Lansing, Michigan: Committee on Industrial Ventilation, 1980.

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