APA (7th ed.) Zitazioa
Harrington, J. (2007). Best business practices for photographers. Thomson Course Technology.
Chicago Style (17th ed.) Zitazioa
Harrington, John. Best Business Practices for Photographers. Boston, Mass.: Thomson Course Technology, 2007.
MLA (9th ed.) Zitazioa
Harrington, John. Best Business Practices for Photographers. Thomson Course Technology, 2007.
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