O Dwyer, M. F., Kent, J. E., & Brown, R. D. Valency. Springer International Publishing.
Cita Chicago (17th ed.)O Dwyer, M. F., J. E. Kent, i R. D. Brown. Valency. Cham: Springer International Publishing.
Cita MLA (8th ed.)O Dwyer, M. F., et al. Valency. Springer International Publishing.
Atenció: Aquestes cites poden no estar 100% correctes.