APA引文

Spear, R. J., & Spear, T. M. (1997). Introduction to computer programming in Visual Basic 6.0. Dryden Press.

Chicago Style (17th ed.) Citation

Spear, Robert J., and Timothy M. Spear. Introduction to Computer Programming in Visual Basic 6.0. Fort Worth: Dryden Press, 1997.

MLA引文

Spear, Robert J., and Timothy M. Spear. Introduction to Computer Programming in Visual Basic 6.0. Dryden Press, 1997.

警告：這些引文格式不一定是100％准確.