APA

Halen W. J., . (1970). An analysis and comparison of compositional practices used by five contemporary composers in works titled "symphony". Ann Arbor, Mich: U.M.I.

Chicago

Halen Walter John, . 1970. An analysis and comparison of compositional practices used by five contemporary composers in works titled "symphony". Ann Arbor, Mich: U.M.I.

Harvard

Halen W. J., . (1970). An analysis and comparison of compositional practices used by five contemporary composers in works titled "symphony". Ann Arbor, Mich: U.M.I.

MLA

Halen Walter John, . An analysis and comparison of compositional practices used by five contemporary composers in works titled "symphony". Ann Arbor, Mich: U.M.I. 1970.