Shaffer, P. (1990). Lettice & lovage: A comedy (1st U.S. ed.). Harper & Row.
Lua i Stíl Chicago (17ú heag.)Shaffer, Peter. Lettice & Lovage: A Comedy. 1st U.S. ed. New York: Harper & Row, 1990.
Lua MLA (9ú heag.)Shaffer, Peter. Lettice & Lovage: A Comedy. 1st U.S. ed. Harper & Row, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.