APA
Westphal F. W., . (1990). Guide to teaching woodwinds. Dubuque, IA: W. C. Brown Co.
Chicago
Westphal Frederick William, . 1990. Guide to teaching woodwinds. Dubuque, IA: W. C. Brown Co.
Harvard
Westphal F. W., . (1990). Guide to teaching woodwinds. Dubuque, IA: W. C. Brown Co.
MLA
Westphal Frederick William, . Guide to teaching woodwinds. Dubuque, IA: W. C. Brown Co. 1990.