Fogg, A., Evans, J., & O'Hare, D. (1998). Crystal structure of beta-MNX (M = Zr, Hf, X = Cl, Br).
Cita Chicago (17th ed.)Fogg, A., J. Evans, i D. O'Hare. Crystal Structure of Beta-MNX (M = Zr, Hf, X = Cl, Br). 1998.
Cita MLA (9th ed.)Fogg, A., et al. Crystal Structure of Beta-MNX (M = Zr, Hf, X = Cl, Br). 1998.
Atenció: Aquestes cites poden no estar 100% correctes.