| APA | CHGRP. (2012, February 10). In Acronym Geek. Retrieved 19:21, February 10, 2012, from http://www.acronymgeek.com/CHGRP |
| MLA | "CHGRP." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/CHGRP>. |
| MHRA | 'CHGRP', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/CHGRP> [accessed 10 February 2012] |
| Chicago | "CHGRP", http://www.acronymgeek.com/CHGRP (accessed February 10, 2012). |
| CBE/CSE | CHGRP [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/CHGRP. |
| Bluebook | CHGRP, http://www.acronymgeek.com/CHGRP (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CHGRP, http://www.acronymgeek.com/CHGRP (optional description here) (as of Feb. 10, 2012, 19:21). |
| AMA | CHGRP. Acronym Geek. February 10, 2012, 19:21. Available at: http://www.acronymgeek.com/CHGRP. Accessed February 10, 2012, 19:21. |