APA
Leddy S., Pepper J. Mae j. a., . (1985). Conceptual bases of professional nursing. London: J.B. Lippincott.
Chicago
Leddy Susan, Pepper J. Mae jt author, . 1985. Conceptual bases of professional nursing. London: J.B. Lippincott.
Harvard
Leddy S., Pepper J. Mae j. a., . (1985). Conceptual bases of professional nursing. London: J.B. Lippincott.
MLA
Leddy Susan, Pepper J. Mae jt author, . Conceptual bases of professional nursing. London: J.B. Lippincott. 1985.