Halloran, J. D., Elliott, P., & Murdock, G. (1970). Demonstrations and communications: A case study (1. Aufl.). Penguin Books.
Cita Chicago (17th ed.)Halloran, James D., Philip Elliott, i Graham Murdock. Demonstrations and Communications: A Case Study. 1. Aufl. Harmondsworth: Penguin Books, 1970.
Cita MLA (8th ed.)Halloran, James D., et al. Demonstrations and Communications: A Case Study. 1. Aufl. Penguin Books, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.