Reed, Pamela G. [1952-] 
Perspectives on nursing theory.    - 6th ed. /  edited by Pamela G. Reed, Nelma B. Crawford Shearer.   - Philadelphia, Pa. ;  London :  Wolters Kluwer/Lippincott Williams & Wilkins,  c2012.   - xiv, 466 p. :  ill. ;  26 cm.