Douglas, J. (1908). Untechnical addresses on technical subjects (2d. ed.). J. Wiley & sons; [etc., etc.].
Chicago-viite (17. p.)Douglas, James. Untechnical Addresses on Technical Subjects. 2d. ed. New York,: J. Wiley & sons; [etc., etc.], 1908.
MLA-viite (8. p.)Douglas, James. Untechnical Addresses on Technical Subjects. 2d. ed. J. Wiley & sons; [etc., etc.], 1908.
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