Citace podle APA (7th ed.)

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

Citace podle Chicago (17th ed.)

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

Citace podle MLA (9th ed.)

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

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