Sammet, J. E. (1969). Programming languages: History and fundamentals. Prentice-Hall.
Dyfyniad Arddull ChicagoSammet, Jean E. Programming Languages: History and Fundamentals. Englewood Cliffs: Prentice-Hall, 1969.
Dyfyniad MLASammet, Jean E. Programming Languages: History and Fundamentals. Prentice-Hall, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.