Silverman, F. H. (1980). Communication for the speechless: An introduction to nonvocal communication systems for the severely communicatively handicapped. Prentice-Hall.
Chicago (17e ed.) BronvermeldingSilverman, Franklin H. Communication for the Speechless: An Introduction to Nonvocal Communication Systems for the Severely Communicatively Handicapped. Englewood Cliffs, NJ: Prentice-Hall, 1980.
MLA (9e ed.) BronvermeldingSilverman, Franklin H. Communication for the Speechless: An Introduction to Nonvocal Communication Systems for the Severely Communicatively Handicapped. Prentice-Hall, 1980.
Let op: Deze citaties zijn niet altijd 100% accuraat.