APA-viite (7. p.)

LEDDY, S., & PEPPER, J. (1993). Conceptual bases of professional nursing.-- ed.3. JB Lippincott.

Chicago-viite (17. p.)

LEDDY, Susan, ja J.Mae PEPPER. Conceptual Bases of Professional Nursing.-- Ed.3. Philadelphia: JB Lippincott, 1993.

MLA-viite (9. p.)

LEDDY, Susan, ja J.Mae PEPPER. Conceptual Bases of Professional Nursing.-- Ed.3. JB Lippincott, 1993.