American Society of Regional Anesthesia. (1989). Scientific abstracts: Annual meeting, Westin Copley Place, Boston, Massachusetts, March 30 - April 2, 1989. Lippincott.
Chicago-Zitierstil (17. Ausg.)American Society of Regional Anesthesia. Scientific Abstracts: Annual Meeting, Westin Copley Place, Boston, Massachusetts, March 30 - April 2, 1989. Philadelphia: Lippincott, 1989.
MLA-Zitierstil (9. Ausg.)American Society of Regional Anesthesia. Scientific Abstracts: Annual Meeting, Westin Copley Place, Boston, Massachusetts, March 30 - April 2, 1989. Lippincott, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.