Spence, W. P. (1984). Engineering graphics. Prentice-Hall.
Chicago Style (17th ed.) CitationSpence, William Perkins. Engineering Graphics. Englewood Cliffs, NJ: Prentice-Hall, 1984.
MLA (9th ed.) CitationSpence, William Perkins. Engineering Graphics. Prentice-Hall, 1984.
Warning: These citations may not always be 100% accurate.