Aehlert, B. (2009). Emergency medical technician: EMT in action. New York: McGraw-Hill higher education.
Chicago-tyylinen lähdeviittausAehlert, Barbara. Emergency Medical Technician: EMT in Action. New York: McGraw-Hill higher education, 2009.
MLA-viiteAehlert, Barbara. Emergency Medical Technician: EMT in Action. New York: McGraw-Hill higher education, 2009.
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