Tohutoro APA (7th ed.)
Buckingham, R. Customer once, client forever: 12 tools for building lifetime business relationships. Kiplinger Books, c2001.
Tohutoru Kātū Chicago (17th ed.)
Buckingham, Richard. Customer Once, Client Forever: 12 Tools for Building Lifetime Business Relationships. Washington, D.C.: Kiplinger Books, c2001.
Tohutoro MLA (9th ed.)
Buckingham, Richard. Customer Once, Client Forever: 12 Tools for Building Lifetime Business Relationships. Kiplinger Books, c2001.
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