Vrelo naziva:
SWGDOC Terminology (ver. 2013-1)
SWGDOC Terminology Relating to the Examination of Questioned Documents (ver. 2013-1). Scientific Working Group for Forensic Document Examination, 2013.
Vrelo definicije:
SWGDOC Terminology (ver. 2013-1)
SWGDOC Terminology Relating to the Examination of Questioned Documents (ver. 2013-1). Scientific Working Group for Forensic Document Examination, 2013.