APA (7e ed.) Bronvermelding

Davies, H. J. (1935). Precision workshop methods. E. Arnold & Co..

Chicago (17e ed.) Bronvermelding

Davies, Harold John. Precision Workshop Methods. London,: E. Arnold & Co., 1935.

MLA (8e ed.) Bronvermelding

Davies, Harold John. Precision Workshop Methods. E. Arnold & Co., 1935.