Spencer, R. H. (1983). Planning, implementation, and control in product test and assurance. Prentice-Hall.
Chicago-Zitierstil (17. Ausg.)Spencer, Richard H. Planning, Implementation, and Control in Product Test and Assurance. Englewood Cliffs, N.J: Prentice-Hall, 1983.
MLA-Zitierstil (9. Ausg.)Spencer, Richard H. Planning, Implementation, and Control in Product Test and Assurance. Prentice-Hall, 1983.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.