APA

Petroutsos Evangelos, . (1998). Mastering Visual Basic 6. : .

Chicago

Petroutsos Evangelos, . 1998. Mastering Visual Basic 6. : .

Harvard

Petroutsos Evangelos, . (1998). Mastering Visual Basic 6. : .

MLA

Petroutsos Evangelos, . Mastering Visual Basic 6. : . 1998.