Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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