Gaya APA

Bethel, P, A., Thomas, R, K. (2006). (E) Dictionary of Nursing Theory and Research (ed 3). United States of America: Springer Publishing Company, LLC.

Gaya MLA

Bethel, Powers, Ann., Thomas, R., Knapp. "(E) Dictionary of Nursing Theory and Research". ed 3 United States of America: Springer Publishing Company, LLC, 2006. Text.