Kazmier, L. J., & Philippakis, A. S. (1991). Comprehensive COBOL.
Citación estilo ChicagoKazmier, Leonard J., and Andrew S. Philippakis. Comprehensive COBOL. New York, McGraw Hill, 1991.
Cita MLAKazmier, Leonard J., and Andrew S. Philippakis. Comprehensive COBOL. 1991.
Warning: These citations may not always be 100% accurate.