Gaya APA

Standardization, I, O, F. (1992). ISO 9978: 1992 (E): Radiation Protection - Sealed Radioactive Sources - Leakage Test Methods . Switzerland: ISO.

Gaya MLA

Standardization, International, Organization, For. "ISO 9978: 1992 (E): Radiation Protection - Sealed Radioactive Sources - Leakage Test Methods". Switzerland: ISO, 1992. Book.