Bohr, H. A. (1947). Almost periodic functions. Chelsea Publishing.
Cita Chicago (17th ed.)Bohr, Harald August. Almost Periodic Functions. New York: Chelsea Publishing, 1947.
Cita MLA (9th ed.)Bohr, Harald August. Almost Periodic Functions. Chelsea Publishing, 1947.
Atenció: Aquestes cites poden no estar 100% correctes.