| Title | Journal | Journal Categories | Citations | Publication Date |
|---|---|---|---|---|
| Singer, P. (1990). Animal liberation (2nd ed.). New York: Random House. | ||||
| Regan, T. (1983). The case for animal rights. Berkeley: University of California Press. | ||||
| Office of Research Integrity. (2000). PHS Policy on Instruction in the Responsible Conduct of Research. Retrieved December 16, 2002, from: http://ori.dhhs.gov/html/programs/finalpolicy.asp |