Gray, H. B. (1973). Chemical bonds: An introduction to atomic and molecular structure. W.A.Benjamin.
Cita Chicago (17th ed.)Gray, Harry B. Chemical Bonds: An Introduction to Atomic and Molecular Structure. Menlo Park Calif: W.A.Benjamin, 1973.
Cita MLA (9th ed.)Gray, Harry B. Chemical Bonds: An Introduction to Atomic and Molecular Structure. W.A.Benjamin, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.