When using in print media, a reference (footnote) to the source (www.clipartsfree.de or website of the respective author) to set. Copyright information is under each graph in detail view.
When using the Internet You may either place our graphics on your server or use the code to integrate directly into your website (maximum 5 graphics per domain). An active link near each graphic should be placed on our website or on the website of the respective author. Use of the attribute rel = "nofollow" is not allowed.