Churchill, R. V. (1941). Fourier series and boundary value problems ([1st ed].). McGraw-Hill Book Company, Inc.
Chicago-viite (17. p.)Churchill, Ruel V. Fourier Series and Boundary Value Problems. [1st ed]. New York: McGraw-Hill Book Company, Inc, 1941.
MLA-viite (9. p.)Churchill, Ruel V. Fourier Series and Boundary Value Problems. [1st ed]. McGraw-Hill Book Company, Inc, 1941.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.