Columbia subject headings:
Electronic commerce--Taxation--United States.
Internet marketing--Taxation--United States.
Tax evasion--United States.
Harvard subject headings:
Electronic commerce--Taxation--Law and legislation--United States.
Electronic commerce--Taxation--United States.
Internet marketing--Taxation--United States.
Tax evasion--United States.
Princeton subject headings:
Electronic commerce--Taxation--United States.
Internet marketing--Taxation--United States.
Tax evasion--United States.