Keller, D. (1887). The struggle for life on the Ponsonby estate; a chapter from the history of Irish landlordism. London.
Lua i Stíl Chicago (17ú heag.)Keller, D. The Struggle for Life on the Ponsonby Estate; a Chapter from the History of Irish Landlordism. London, 1887.
Lua MLA (8ú heag.)Keller, D. The Struggle for Life on the Ponsonby Estate; a Chapter from the History of Irish Landlordism. London, 1887.
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