Frey, P. R. (1958). Chemistry problems and how to solve them ([5th ed.].). Barnes & Novle.
Stile di citazione ChicagoFrey, Paul Reheard. Chemistry Problems and How to Solve Them. [5th ed.]. New York: Barnes & Novle, 1958.
Citazione MLAFrey, Paul Reheard. Chemistry Problems and How to Solve Them. [5th ed.]. Barnes & Novle, 1958.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.