Tyrrell, R. E., & Brittan, S. (1977). The future that doesn't work: Social democracy's failures in Britain / ed. by R. Emmett Tyrrell, Jr. Samuel Brittan [u.a.]. Doubleday.
Lua i Stíl Chicago (17ú heag.)Tyrrell, R. Emmett, agus Samuel Brittan. The Future That Doesn't Work: Social Democracy's Failures in Britain / Ed. by R. Emmett Tyrrell, Jr. Samuel Brittan [u.a.]. Garden City, NY: Doubleday, 1977.
Lua MLA (8ú heag.)Tyrrell, R. Emmett, agus Samuel Brittan. The Future That Doesn't Work: Social Democracy's Failures in Britain / Ed. by R. Emmett Tyrrell, Jr. Samuel Brittan [u.a.]. Doubleday, 1977.
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