EXTREMELY COMMON KNOWLEDGE / GENERAL STATEMENTS: DON'T CITE
"A properly managed information assurance (IA) program is crucial to the protection of the integrity, accuracy and reliability of the information flow of any corporation."
KNOWLEDGE THAT IS COMMON TO THE DISCIPLINE (in the case above, information assurance or IA): DEPENDS ON CIRCUMSTANCE
"Organizations that establish standards for appropriate information assurance practice include ISO, NIST, and the Committee on National Security Systems."
KNOWLEDGE THAT IS NOT COMMON AND MUST BE CITED:
"On trend from last year, three sectors exhibit steady growth, in particular information security management (ISO/IEC 27001) and food management (ISO 22001), respectively boasting a health 14% and 15% increase in certification, while the medical devices sector (ISO 13485) similarly shows a 15% increment."
International Organization for Standardization (2013). ISO Survey 2013, Executive Summary. Retrieved from http://www.iso.org
/2013/iso_survey_executive-summary.pdf?v2013.
There may be gray areas in your writing: ideas, facts, or phrases that are common knowledge in a particular discipline, but not common knowledge to non-practitioners.
EXAMPLE:
Here are some examples of things you don't have to cite.
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