Coover, S. L., & Helsel, J. D. (1963). Programmed blueprint reading. McGraw-Hill.
Cita Chicago Style (17a ed.)Coover, Shriver Lauren, y Jay D. Helsel. Programmed Blueprint Reading. St. Louis: McGraw-Hill, 1963.
Cita MLA (8a ed.)Coover, Shriver Lauren, y Jay D. Helsel. Programmed Blueprint Reading. McGraw-Hill, 1963.
Precaución: Estas citas no son 100% exactas.