Blake, R., & Nicolls, C. S. (1986). The Dictionary of National Biography: Twenthieth Century: Ed. by Lord [Robert] Blake and C[hristine] S[tephanie] Nicholls. Oxford Univ. Press.
Lua i Stíl Chicago (17ú heag.)Blake, Robert, agus Christine Stephanie Nicolls. The Dictionary of National Biography: Twenthieth Century: Ed. by Lord [Robert] Blake and C[hristine] S[tephanie] Nicholls. Oxford ; New York: Oxford Univ. Press, 1986.
Lua MLA (8ú heag.)Blake, Robert, agus Christine Stephanie Nicolls. The Dictionary of National Biography: Twenthieth Century: Ed. by Lord [Robert] Blake and C[hristine] S[tephanie] Nicholls. Oxford Univ. Press, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.