Roberts, G. W. (1983). Quality assurance in research and development. Maral Dekker.
Chicago Style aipamenaRoberts, George W. Quality Assurance in Research and Development. New York: Maral Dekker, 1983.
MLA aipamenaRoberts, George W. Quality Assurance in Research and Development. Maral Dekker, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.