Não informado. (1973). ASA Refresher Courses in Anesthesiology. American Society of Anesthesiologists.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. ASA Refresher Courses in Anesthesiology. Philadelphia, Pa: American Society of Anesthesiologists, 1973.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. ASA Refresher Courses in Anesthesiology. American Society of Anesthesiologists, 1973.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.