Brutton, C. P., & Vaughan, G. C. (1940). A police constableŕs guide to his daily work: And wath ought to be knows about criminal law and police practice / by C. P. Brutton and G. Campbell Vaughan (9. Ed.). Pitman & sons.

Brutton, C. P., and G. Campbell Vaughan. A Police Constableŕs Guide to His Daily Work: And Wath Ought to Be Knows About Criminal Law and Police Practice / by C. P. Brutton and G. Campbell Vaughan. 9. Ed. London: Pitman & sons, 1940.

Brutton, C. P., and G. Campbell Vaughan. A Police Constableŕs Guide to His Daily Work: And Wath Ought to Be Knows About Criminal Law and Police Practice / by C. P. Brutton and G. Campbell Vaughan. 9. Ed. Pitman & sons, 1940.