McNab, R. (1913). Open letters on proportional representation. s.n.].
Lua i Stíl Chicago (17ú heag.)McNab, Robert. Open Letters on Proportional Representation. [Wellington?: s.n.], 1913.
Lua MLA (9ú heag.)McNab, Robert. Open Letters on Proportional Representation. s.n.], 1913.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
