Cita APA (7a ed.)
Bonvillian, J. D., & Nelson-Metlay, V. (2020). Simplified signs: A manual sign-communication system for special populations. Open Book Publishers.
Cita Chicago Style (17a ed.)
Bonvillian, John D., y Val Nelson-Metlay. Simplified Signs: A Manual Sign-communication System for Special Populations. Cambridge, England: Open Book Publishers, 2020.
Cita MLA (9a ed.)
Bonvillian, John D., y Val Nelson-Metlay. Simplified Signs: A Manual Sign-communication System for Special Populations. Open Book Publishers, 2020.
Precaución: Estas citas no son 100% exactas.