Crockford, H. D., & Nowell, J. W. (1956). Laboratory manual of physical chemistry. John Wiley.
Dyfyniad Arddull ChicagoCrockford, H. D., and J. W. Nowell. Laboratory Manual of Physical Chemistry. New York: John Wiley, 1956.
Dyfyniad MLACrockford, H. D., and J. W. Nowell. Laboratory Manual of Physical Chemistry. John Wiley, 1956.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.