Långbacka, T. (1997). An Interactive environment supporting the development of formally correct programs. Turku Center for Computer Science.
Citação norma ChicagoLångbacka, Thomas. An Interactive Environment Supporting the Development of Formally Correct Programs. Turku: Turku Center for Computer Science, 1997.
Citação norma MLALångbacka, Thomas. An Interactive Environment Supporting the Development of Formally Correct Programs. Turku Center for Computer Science, 1997.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.