Surname of expert interviewees, Initial(s) (title of interviewees, organization). (day of the interview). Title or subject of the interview [expert interview].
Personal communications can include:
Personal communications are NOT included in the bibliography. They are only added as an in-text citation.
Author’s Initial(s). Surname (personal communication, Month Day, Year)
Organizations’ internal data sources include, for instance, internal instructions, reports, and other online sources available through intranet. Internal data sources are mentioned in the bibliography.
Always check with the authors or owners of unpublished documents whether the information included in them is confidential or classified, and act accordingly.
It is important to convey the information included in an internal data source as accurately as possible in the text, so that the reader gets an idea of the type of the source.