APA

Ingwersen U., . (1976). Respiratory physical therapy and pulmonary care. New York: John Wiley & Sons.

Chicago

Ingwersen Ulla, . 1976. Respiratory physical therapy and pulmonary care. New York: John Wiley & Sons.

Harvard

Ingwersen U., . (1976). Respiratory physical therapy and pulmonary care. New York: John Wiley & Sons.

MLA

Ingwersen Ulla, . Respiratory physical therapy and pulmonary care. New York: John Wiley & Sons. 1976.