Freese, H. (1941). First steps to God: An illustrated first communion catechism. Catechetical Guild.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFreese, Henry. First Steps to God: An Illustrated First Communion Catechism. St. Paul, Minn.: Catechetical Guild, 1941.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFreese, Henry. First Steps to God: An Illustrated First Communion Catechism. Catechetical Guild, 1941.
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