Dyfyniad APA

Wagner , T. P. (1990). Hazardous waste identification and classification manual. Van nostrand reinhold.

Dyfyniad Arddull Chicago

Wagner , Travis P. Hazardous Waste Identification and Classification Manual. New York: Van nostrand reinhold, 1990.

Dyfyniad MLA

Wagner , Travis P. Hazardous Waste Identification and Classification Manual. Van nostrand reinhold, 1990.

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