APA Style
Haas, S, S., Haas, F. (2000).
The chronic bronchitis and emphysema handbook (Rev. and expanded ed.).
New York ::
John Wiley,.
MLA Style
Haas, Sheila, Sperber.., Haas, François..
"The chronic bronchitis and emphysema handbook".
Rev. and expanded ed.
New York ::
John Wiley,,
2000.
Text.