Constantine, M., & Jacobson, E. (1961). Sign language for buildings and landscape. Reinhold.
Cita Chicago Style (17a ed.)Constantine, Mildred, y Egbert Jacobson. Sign Language for Buildings and Landscape. New York: Reinhold, 1961.
Cita MLA (9a ed.)Constantine, Mildred, y Egbert Jacobson. Sign Language for Buildings and Landscape. Reinhold, 1961.
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