American Sunday-School Union & A. E. P. (1859). The land of mystery: Or, Scenes and incidents in Central Africa. American Sunday-School Union.
Lua i Stíl Chicago (17ú heag.)American Sunday-School Union agus A. E. P. The Land of Mystery: Or, Scenes and Incidents in Central Africa. Philadelphia: American Sunday-School Union, 1859.
Lua MLA (8ú heag.)American Sunday-School Union agus A. E. P. The Land of Mystery: Or, Scenes and Incidents in Central Africa. American Sunday-School Union, 1859.
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