Gaya APA

Standardization, I, O, F. (1999). ISO 2919:1999(E): Radiation Protection - Sealed Radioactive Sources - General Requirements and Clasification, Second Edition . Switzerland: ISO.

Gaya MLA

Standardization, International, Organization, For. "ISO 2919:1999(E): Radiation Protection - Sealed Radioactive Sources - General Requirements and Clasification, Second Edition". Switzerland: ISO, 1999. Book.