Não informado. (1969). Journal of Undergraduate Mathematics. Guilford College, Department of Mathematics.
Chicago-Zitierstil (17. Ausg.)Não informado. Journal of Undergraduate Mathematics. Greensboro, NC: Guilford College, Department of Mathematics, 1969.
MLA-Zitierstil (8. Ausg.)Não informado. Journal of Undergraduate Mathematics. Guilford College, Department of Mathematics, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.