Engelhardt, Z. (1899). The Franciscans in Arizona. Holy Childhood Indian School.
Lua i Stíl Chicago (17ú heag.)Engelhardt, Zephyrin. The Franciscans in Arizona. Harbor Springs, Mich.: Holy Childhood Indian School, 1899.
Lua MLA (8ú heag.)Engelhardt, Zephyrin. The Franciscans in Arizona. Holy Childhood Indian School, 1899.
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