Cita APA (7a ed.)
Vaughn, R. C. (1990). Quality assurance (1.ed.). Iowa State University Press.
Cita Chicago Style (17a ed.)
Vaughn, Richard C. Quality Assurance. 1.ed. Ames: Iowa State University Press, 1990.
Cita MLA (9a ed.)
Vaughn, Richard C. Quality Assurance. 1.ed. Iowa State University Press, 1990.
Precaución: Estas citas no son 100% exactas.