Fox, G. J., Ghee, P. W., Marshall, D. F., & Viles, G. L. (1986). Control technology: Pupils' assignments (2nd ed.). Hodder and Stoughton.
Lua i Stíl Chicago (17ú heag.)Fox, G. J., P. W. Ghee, D. F. Marshall, agus G. L. Viles. Control Technology: Pupils' Assignments. 2nd ed. London ; Sydney: Hodder and Stoughton, 1986.
Lua MLA (9ú heag.)Fox, G. J., et al. Control Technology: Pupils' Assignments. 2nd ed. Hodder and Stoughton, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.