APA (7e ed.) Bronvermelding

Silverman, F. H. (1980). Communication for the speechless: An introduction to nonvocal communication systems for the severely communicatively handicapped. Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Silverman, 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.) Bronvermelding

Silverman, Franklin H. Communication for the Speechless: An Introduction to Nonvocal Communication Systems for the Severely Communicatively Handicapped. Prentice-Hall, 1980.