Braffort, P., & Hirschberg, D. (1970). Computer programming and formal systems. North-Holland Pub. Co..
Dyfyniad Arddull ChicagoBraffort, P.ed, and D. Hirschberg. Computer Programming and Formal Systems. Amsterdam: North-Holland Pub. Co., 1970.
Dyfyniad MLABraffort, P.ed, and D. Hirschberg. Computer Programming and Formal Systems. North-Holland Pub. Co., 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.