Habig, M. A. (1961). Tertiary's companion. Franciscan Herald Press.
Lua i Stíl Chicago (17ú heag.)Habig, Marion Alphonse. Tertiary's Companion. Chicago: Franciscan Herald Press, 1961.
Lua MLA (8ú heag.)Habig, Marion Alphonse. Tertiary's Companion. Franciscan Herald Press, 1961.
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