Gregg, J. R., Zoubek, C. E., & Rodríguez de Merle, L. (1989). Taquigrafía Gregg. McGraw - Hill.
Chicago Style (17th ed.) CitationGregg, John Robert, Charles E. Zoubek, and Lydia Rodríguez de Merle. Taquigrafía Gregg. Bogotá: McGraw - Hill, 1989.
MLA (9th ed.) CitationGregg, John Robert, et al. Taquigrafía Gregg. McGraw - Hill, 1989.
Warning: These citations may not always be 100% accurate.