APA
Hueston W. J., . (2002). 20 common problems in respiratory disorders. New York: McGraw-Hill.
Chicago
Hueston William J, . 2002. 20 common problems in respiratory disorders. New York: McGraw-Hill.
Harvard
Hueston W. J., . (2002). 20 common problems in respiratory disorders. New York: McGraw-Hill.
MLA
Hueston William J, . 20 common problems in respiratory disorders. New York: McGraw-Hill. 2002.