Lua APA (7ú heag.)
Summer, P. (1993). The end of April: A Victoria Cross mystery. The Women's Press.
Lua i Stíl Chicago (17ú heag.)
Summer, Penny. The End of April: A Victoria Cross Mystery. London: The Women's Press, 1993.
Lua MLA (9ú heag.)
Summer, Penny. The End of April: A Victoria Cross Mystery. The Women's Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.