Cita APA (7th ed.)

Newell, W., & Paul, F. A. (1983). Basic sign communication. National Association of the deaf.

Cita Chicago (17th ed.)

Newell, William, i Frank Allen Paul. Basic Sign Communication. Maryland: National Association of the deaf, 1983.

Cita MLA (9th ed.)

Newell, William, i Frank Allen Paul. Basic Sign Communication. National Association of the deaf, 1983.