Lua APA (7ú heag.)

Field, M. (1860). Bertha Percy, or, L'Espérance. D. Appleton.

Lua i Stíl Chicago (17ú heag.)

Field, Margaret. Bertha Percy, or, L'Espérance. New York: D. Appleton, 1860.

Lua MLA (8ú heag.)

Field, Margaret. Bertha Percy, or, L'Espérance. D. Appleton, 1860.

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