Gaddie, J., & Skinner, C. (1972). Risk with -blocking in bronchial asthma.
Chicago Style aipamenaGaddie, J., and C. Skinner. Risk With -blocking in Bronchial Asthma. 1972.
MLA aipamenaGaddie, J., and C. Skinner. Risk With -blocking in Bronchial Asthma. 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.