Though there is no organization that can impose a standard of ethics or professional protocol for journalists, most professionals in the field generally take great pride and responsibility in their roles, and organizations such as the Associated Press and the Society of Professional Journalists offer thorough and useful guidelines for ethical conduct.
The Purdue OWL webpage provides description of broad categories for ethical concerns in the media:
Plagiarism and academic integrity are two of the highest concerns for Kansas State University's administration and faculty. Likewise, students need to ensure that they are following the university's policies and guidelines so as not to violate the Honor Pledge. Even unintentional violations can have quite severe, lasting consequences.
Now, instead of reinventing the wheel, below you will find links to two sets of resources that can help you get a handle on these issues. The first two link directly to information on K-State's Honor and Integrity website:
...and the second set of links go to general, but still very useful information about plagiarism at Purdue's Online Writing Lab: