Open University Course Team. (1973). Wider issues. Block 8. Units 16-17. Open University Press.
Chicago-stil citatOpen University Course Team. Wider Issues. Block 8. Units 16-17. Open University Press, 1973.
MLA-referensOpen University Course Team. Wider Issues. Block 8. Units 16-17. Open University Press, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.