Smith, J. W. G., Pollard, R., Fletcher, W. B., Barker, R., & Lewis, J. R. (1974). Influenza vaccination—acceptance in an industrial population.

Smith, J. W. G., R. Pollard, W. B. Fletcher, R. Barker, و J. R. Lewis. Influenza Vaccination—acceptance in an Industrial Population. 1974.

Smith, J. W. G., et al. Influenza Vaccination—acceptance in an Industrial Population. 1974.