Keane, M. N. S. (1983). Time after time. A. Deutsch.
Lua i Stíl Chicago (17ú heag.)Keane, Mary Nesta Skrine. Time After Time. London: A. Deutsch, 1983.
Lua MLA (9ú heag.)Keane, Mary Nesta Skrine. Time After Time. A. Deutsch, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.