Cita APA (7th ed.)

Daniel, J. W. (1971). The approximate minimization of functionals. Prentice-Hall.

Cita Chicago (17th ed.)

Daniel, James W. The Approximate Minimization of Functionals. Englewood Cliffs: Prentice-Hall, 1971.

Cita MLA (9th ed.)

Daniel, James W. The Approximate Minimization of Functionals. Prentice-Hall, 1971.