Kells, L. M. (1954). Elementary Differential Equations. New York: McGraw-Hill.
Chicago Style citaatKells, Lyman M. Elementary Differential Equations. New York: McGraw-Hill, 1954.
MLA citatieKells, Lyman M. Elementary Differential Equations. New York: McGraw-Hill, 1954.
Let op: Deze citaties zijn niet altijd 100% accuraat.