(p.pr.&vb.n.) of Perk.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). perking. Retrieved September 20, 2026, from http://smartdefine.org/perking/definitions/2043990 |
| Chicago | Webster's. 2011. "perking" http://smartdefine.org/perking/definitions/2043990 (accessed September 20, 2026). |
| Harvard | Webster's 2011, perking, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/perking/definitions/2043990>. |
| MLA | Webster's. "perking" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/perking/definitions/2043990> |