Spooner, H. J. (1920). Machine drawing and design for beginners: An introductory work for the use of technical students (2nd ed.). Longmans, Green.
Cita Chicago Style (17a ed.)Spooner, Henry J. Machine Drawing and Design for Beginners: An Introductory Work for the Use of Technical Students. 2nd ed. London: Longmans, Green, 1920.
Cita MLA (8a ed.)Spooner, Henry J. Machine Drawing and Design for Beginners: An Introductory Work for the Use of Technical Students. 2nd ed. Longmans, Green, 1920.
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