APA ציטוט

Billings, J. A. (2012). Advance Care Planning Safeguards. Springer-Verlag.

Citação norma Chicago

Billings, J. Andrew. Advance Care Planning Safeguards. Springer-Verlag, 2012.

ציטוט MLA

Billings, J. Andrew. Advance Care Planning Safeguards. Springer-Verlag, 2012.