Heltshe, F. J. The Catholic scientist. Catholic Information Society.
Chicago Style (17th ed.) CitationHeltshe, Francis J. The Catholic Scientist. New York, N.Y.: Catholic Information Society.
ציטוט MLAHeltshe, Francis J. The Catholic Scientist. Catholic Information Society.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.