Cita APA (7th ed.)
Harrington, J. (2007). Best business practices for photographers. Thomson Course Technology.
Cita Chicago (17th ed.)
Harrington, John. Best Business Practices for Photographers. Boston, Mass.: Thomson Course Technology, 2007.
Cita MLA (9th ed.)
Harrington, John. Best Business Practices for Photographers. Thomson Course Technology, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.