European software engineering conference :Garmisch-Partenkirchen, Sommerville, I., & Paul, M. Software engineering - ESEC '93: 4th European Software Engineering Conference, Garmisch-Partenkirchen, Germany, September 13-17, 1993 : proceedings. Springer.
Cita Chicago (17th ed.)European software engineering conference :Garmisch-Partenkirchen, Ian Sommerville, i M. Paul. Software Engineering - ESEC '93: 4th European Software Engineering Conference, Garmisch-Partenkirchen, Germany, September 13-17, 1993 : Proceedings. Berlin [etc.]: Springer.
Cita MLA (8th ed.)European software engineering conference :Garmisch-Partenkirchen, et al. Software Engineering - ESEC '93: 4th European Software Engineering Conference, Garmisch-Partenkirchen, Germany, September 13-17, 1993 : Proceedings. Springer.