Richardson, J. H., & Peterson, R. V. (1974). Systematic materials analysis. Academic Press. https://doi.org/10.1016/B978-0-12-587801-2.X5001-0
Dyfyniad Arddull ChicagoRichardson, James H., and Ronald V. Peterson. Systematic Materials Analysis. New York: Academic Press, 1974. https://doi.org/10.1016/B978-0-12-587801-2.X5001-0.
Dyfyniad MLARichardson, James H., and Ronald V. Peterson. Systematic Materials Analysis. Academic Press, 1974. https://doi.org/10.1016/B978-0-12-587801-2.X5001-0.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.