TY  - BOOK
AU  - Ecroyd,H.Donald
AU  - Halfond,M.Murray
AU  - Towne Chworowsky,Carol
ED  - Temple university
TI  - Voice and articulation: programed instruction 
PY  - 1966///
CY  - Scott
PB  - Foresman and company
KW  - Voice culture
ER  -