Sinclair Douglas C. & Bell, W. E. (1969). Gas laser technology, eng.
Chicago Style aipamenaSinclair Douglas C. and W. Earl Bell. Gas Laser Technology, Eng. 1969.
MLA aipamenaSinclair Douglas C. and W. Earl Bell. Gas Laser Technology, Eng. 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.