APA
Gruber L. . R. C. V., . (1957). A Casebook in Stuttering. : Harper and Row Publishers.
Chicago
Gruber Leslie Riper Charles Van, . 1957. A Casebook in Stuttering. : Harper and Row Publishers.
Harvard
Gruber L. . R. C. V., . (1957). A Casebook in Stuttering. : Harper and Row Publishers.
MLA
Gruber Leslie Riper Charles Van, . A Casebook in Stuttering. : Harper and Row Publishers. 1957.
