Référence électronique du livre
BONVILLIAN, John D. ; et al. Simplified Signs: A Manual Sign-Communication System for Special. Volume 2 : Simplified Sign Lexicon, Descriptions, and Memory Aids. Nouvelle édition [en ligne]. Cambridge : Open Book Publishers, 2020 (généré le 18 avril 2024). Disponible sur Internet : <https://books.openedition.org/obp/14627>. ISBN : 979-10-365-6306-5.
Bonvillian, J. D., Lee, N. K., Dooley, T. T., Loncke, F. T., & Nelson-Metlay, V. 2020. Simplified Signs: A Manual Sign-Communication System for Special. Volume 2 : Simplified Sign Lexicon, Descriptions, and Memory Aids. Open Book Publishers. Tiré de https://books.openedition.org/obp/14627
Bonvillian, John D, et al.. Simplified Signs: A Manual Sign-Communication System for Special. Volume 2 : Simplified Sign Lexicon, Descriptions, and Memory Aids. Cambridge : Open Book Publishers, 2020. Web. <https://books.openedition.org/obp/14627>.