APA (7th ed.) Zitazioa
Leffers, J., & Plotnick, J. (2011). Volunteering at home and abroad: The essential guide for nurses. Sigma Theta Tau International.
Chicago Style (17th ed.) Zitazioa
Leffers, Jeanne, eta Julia Plotnick. Volunteering at Home and Abroad: The Essential Guide for Nurses. Indianapolis, IN: Sigma Theta Tau International, 2011.
MLA (9th ed.) Zitazioa
Leffers, Jeanne, eta Julia Plotnick. Volunteering at Home and Abroad: The Essential Guide for Nurses. Sigma Theta Tau International, 2011.
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