| Style | Reference Text |
|---|
| APA | DR HD. (2009, July 4). In All Acronyms. Retrieved 06:07, July 4, 2009, from http://www.all-acronyms.com/DR+HD |
| MLA | "DR HD." All Acronyms. 4 Jul 2009, 06:07. All Acronyms. 4 Jul 2009 <http://www.all-acronyms.com/DR+HD>. |
| MHRA | 'DR HD', All Acronyms, 4 July 2009, 06:07, <http://www.all-acronyms.com/DR+HD> [accessed 4 July 2009] |
| Chicago | "DR HD," http://www.all-acronyms.com/DR+HD (accessed July 4, 2009). |
| CBE/CSE | DR HD [Internet]. All Acronyms; 2009 Jul 4, 06:07 [cited 2009 Jul 4]. Available from: http://www.all-acronyms.com/DR+HD. |
| Bluebook | DR HD, http://www.all-acronyms.com/DR+HD (last visited July 4, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, DR HD, http://www.all-acronyms.com/DR+HD (optional description here) (as of Jul. 4, 2009, 06:07). |
| AMA | DR HD. All Acronyms. July 4, 2009, 06:07. Available at: http://www.all-acronyms.com/DR+HD. Accessed July 4, 2009. |
Drill Head