Cita APA (7th ed.)
Prentice-Hall Chemistry. Prentice Hall.
Cita Chicago (17th ed.)
Prentice-Hall Chemistry. Englewood: Prentice Hall.
Cita MLA (9th ed.)
Prentice-Hall Chemistry. Prentice Hall.
Atenció: Aquestes cites poden no estar 100% correctes.