Coulson, J., & Richardson, J. (1970). Chemical engineering (2nd ed.). English Language Book Society.
Dyfyniad Arddull ChicagoCoulson, J.M, and J.F Richardson. Chemical Engineering. 2nd ed. London: English Language Book Society, 1970.
Dyfyniad MLACoulson, J.M, and J.F Richardson. Chemical Engineering. 2nd ed. English Language Book Society, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.