Lua APA (7ú heag.)

Letchworth, W. P. (1889). The insane in foreign countries. G. P. Putnam's sons.

Lua i Stíl Chicago (17ú heag.)

Letchworth, William Pryor. The Insane in Foreign Countries. New York & London: G. P. Putnam's sons, 1889.

Lua MLA (8ú heag.)

Letchworth, William Pryor. The Insane in Foreign Countries. G. P. Putnam's sons, 1889.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.