| APA | DE/HEL. (2012, February 12). In Acronym Geek. Retrieved 11:30, February 12, 2012, from http://www.acronymgeek.com/DE/HEL |
| MLA | "DE/HEL." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/DE/HEL>. |
| MHRA | 'DE/HEL', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/DE/HEL> [accessed 12 February 2012] |
| Chicago | "DE/HEL", http://www.acronymgeek.com/DE/HEL (accessed February 12, 2012). |
| CBE/CSE | DE/HEL [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/DE/HEL. |
| Bluebook | DE/HEL, http://www.acronymgeek.com/DE/HEL (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DE/HEL, http://www.acronymgeek.com/DE/HEL (optional description here) (as of Feb. 12, 2012, 11:30). |
| AMA | DE/HEL. Acronym Geek. February 12, 2012, 11:30. Available at: http://www.acronymgeek.com/DE/HEL. Accessed February 12, 2012, 11:30. |