Ayres,Frank. (1952). Theory and problems of differential equations. McGraw-Hill.
Chicago Style citaatAyres,Frank. Theory and Problems of Differential Equations. New york: McGraw-Hill, 1952.
MLA citatieAyres,Frank. Theory and Problems of Differential Equations. McGraw-Hill, 1952.
Let op: Deze citaties zijn niet altijd 100% accuraat.