Cita APA (7a ed.)
Earle, J. H. (1990). Engineering design graphics (6.ed.). Addison-Wesley Publishing Company.
Cita Chicago Style (17a ed.)
Earle, James H. Engineering Design Graphics. 6.ed. Reading: Addison-Wesley Publishing Company, 1990.
Cita MLA (9a ed.)
Earle, James H. Engineering Design Graphics. 6.ed. Addison-Wesley Publishing Company, 1990.
Precaución: Estas citas no son 100% exactas.