Cita APA (7th ed.)

Perry, W. E. (1981). Effective methods of EDP quality assurance (1st rev. ed.). Q.E.D.Information Sciences.

Cita Chicago (17th ed.)

Perry, William E. Effective Methods of EDP Quality Assurance. 1st rev. ed. Wellesley, Mass.: Q.E.D.Information Sciences, 1981.

Cita MLA (8th ed.)

Perry, William E. Effective Methods of EDP Quality Assurance. 1st rev. ed. Q.E.D.Information Sciences, 1981.