Petroutsos, E. (1998). Mastering visual basic 6. San Francisco: Sybex.
Trích dẫn kiểu ChicagoPetroutsos, Evangelos. Mastering Visual Basic 6. San Francisco: Sybex, 1998.
MLA引文Petroutsos, Evangelos. Mastering Visual Basic 6. San Francisco: Sybex, 1998.
警告：这些引文格式不一定是100％准确.