CHURCHILL, R. V. Forier, series and boundary value problems#Ruel V. Churchill. McGraw Hill.
Chicago (17e ed.) BronvermeldingCHURCHILL, Ruel V. Forier, Series and Boundary Value Problems#Ruel V. Churchill. McGraw Hill.
MLA (8e ed.) BronvermeldingCHURCHILL, Ruel V. Forier, Series and Boundary Value Problems#Ruel V. Churchill. McGraw Hill.
Let op: Deze citaties zijn niet altijd 100% accuraat.