APA (7th ed.) Citation

Gutiérrez Gallardo, J. D. (1999). Manual imprescindible de Microsoft Visual Basic 6. Anaya Multimedia.

Chicago Style (17th ed.) Citation

Gutiérrez Gallardo, Juan Diego. Manual Imprescindible De Microsoft Visual Basic 6. Madrid: Anaya Multimedia, 1999.

MLA (9th ed.) Citation

Gutiérrez Gallardo, Juan Diego. Manual Imprescindible De Microsoft Visual Basic 6. Anaya Multimedia, 1999.

Warning: These citations may not always be 100% accurate.