Sager, J. C., Dungworth, D., & McDonald, P. F. (1980). English special languages: Principles and practice in science and technology. Brandstetter.
Citazione stile Chigago Style (17a edizione)Sager, Juan C.., David Dungworth, e Peter F. McDonald. English Special Languages: Principles and Practice in Science and Technology. Wiesbaden: Brandstetter, 1980.
Citatione MLA (9a ed.)Sager, Juan C.., et al. English Special Languages: Principles and Practice in Science and Technology. Brandstetter, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.