| Style | Reference Text |
|---|
| APA | DS-4. (2009, November 28). In All Acronyms. Retrieved 05:45, November 28, 2009, from http://www.all-acronyms.com/cat/1/DS-4 |
| MLA | "DS-4." All Acronyms. 28 Nov 2009, 05:45. All Acronyms. 28 Nov 2009 <http://www.all-acronyms.com/cat/1/DS-4>. |
| MHRA | 'DS-4', All Acronyms, 28 November 2009, 05:45, <http://www.all-acronyms.com/cat/1/DS-4> [accessed 28 November 2009] |
| Chicago | "DS-4," http://www.all-acronyms.com/cat/1/DS-4 (accessed November 28, 2009). |
| CBE/CSE | DS-4 [Internet]. All Acronyms; 2009 Nov 28, 05:45 [cited 2009 Nov 28]. Available from: http://www.all-acronyms.com/cat/1/DS-4. |
| Bluebook | DS-4, http://www.all-acronyms.com/cat/1/DS-4 (last visited November 28, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, DS-4, http://www.all-acronyms.com/cat/1/DS-4 (optional description here) (as of Nov. 28, 2009, 05:45). |
| AMA | DS-4. All Acronyms. November 28, 2009, 05:45. Available at: http://www.all-acronyms.com/cat/1/DS-4. Accessed November 28, 2009. |
Digital Signal Level 4