Παραπομπή σε μορφή APA (7η εκδ.)

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.

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