Pascarella, P. (1979). Technology Fire in a Dark World. New York: Van Nostrand Reinhold Company.
Dyfyniad Arddull ChicagoPascarella, Perry. Technology Fire in a Dark World. New York: Van Nostrand Reinhold Company, 1979.
Dyfyniad MLAPascarella, Perry. Technology Fire in a Dark World. New York: Van Nostrand Reinhold Company, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.