Farrell, Joyce Microsoft Visual C# 2015 : an introduction to object - oriented programming / Joyce Farrell - 6th ed. - Boston, MA : Cengage Learning, 2016 - xxiv, 760 p. : ill. ; 23 cm. Includes index ISBN: 9781285860237 (pbk.) Subjects--Topical Terms: Object-oriented programming (Computer science)C# (Computer program language)Visual programming (Computer science)