Abbott, W. (1956). Practical geometry and engineering graphics: A textbook for engineering and other students (6th ed.). Blackie.
Citação do estilo Chicago (17ª ed.)Abbott, W. Practical Geometry and Engineering Graphics: A Textbook for Engineering and Other Students. 6th ed. London: Blackie, 1956.
Citação MLA (8ª ed.)Abbott, W. Practical Geometry and Engineering Graphics: A Textbook for Engineering and Other Students. 6th ed. Blackie, 1956.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.