Krown, S. (1974). Threes and fours go to school: With the collaboration of Miriam Many. Prentice-Hall.
Chicago-Zitierstil (17. Ausg.)Krown, Sylvia. Threes and Fours Go to School: With the Collaboration of Miriam Many. Englewood Cliffs, NJ: Prentice-Hall, 1974.
MLA-Zitierstil (9. Ausg.)Krown, Sylvia. Threes and Fours Go to School: With the Collaboration of Miriam Many. Prentice-Hall, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.