BUCKINGHAM. (2001). Customer once, client forever: 12 tools for building lifetime business relationships. Kiplinger Books.
Chicago Style (17th ed.) CitationBUCKINGHAM. Customer Once, Client Forever: 12 Tools for Building Lifetime Business Relationships. Washington: Kiplinger Books, 2001.
MLA (9th ed.) CitationBUCKINGHAM. Customer Once, Client Forever: 12 Tools for Building Lifetime Business Relationships. Kiplinger Books, 2001.
Warning: These citations may not always be 100% accurate.