Gool, W. v. (1961). Fluorescence centres in ZnS. Philips Research Laboratories.
Chicago Style aipamenaGool, W. van. Fluorescence Centres in ZnS. [Eindhoven: Philips Research Laboratories, 1961.
MLA aipamenaGool, W. van. Fluorescence Centres in ZnS. Philips Research Laboratories, 1961.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.