Ployhar, J., & Weber, F. (1969). French horn student: Level one (Elementary). Belwin.
Chicago-čujuhus (17. p.)Ployhar, James, juo Fred Weber. French Horn Student: Level One (Elementary). Miami, FL: Belwin, 1969.
MLA-čujuhus (9. p.)Ployhar, James, juo Fred Weber. French Horn Student: Level One (Elementary). Belwin, 1969.
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