CHURCHILL, R. V. (1978). Fourier series and boundary value: Problems. McGraw-Hill.
Chicago-viite (17. p.)CHURCHILL, Ruel V. Fourier Series and Boundary Value: Problems. New York: McGraw-Hill, 1978.
MLA-viite (9. p.)CHURCHILL, Ruel V. Fourier Series and Boundary Value: Problems. McGraw-Hill, 1978.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.