Buckley, J., Warlow, C., Smith, P., Hilton-Jones, D., Irvine, S., & Tew, J. (1983). Motor neuron disease in England and Wales, 1959-1979.
Cita Chicago (17th ed.)Buckley, J., C. Warlow, P. Smith, D. Hilton-Jones, S. Irvine, i JR Tew. Motor Neuron Disease in England and Wales, 1959-1979. 1983.
Cita MLA (9th ed.)Buckley, J., et al. Motor Neuron Disease in England and Wales, 1959-1979. 1983.
Atenció: Aquestes cites poden no estar 100% correctes.