APA

ROSEN K. H., ROSINSKI R. R. & FARBER J. M. (1991). UNIX SISTEMA V VERSION 4. MADRID ; MEXICO: OSBORNE-MCGRAW-HILL.

Chicago

ROSEN KENNETH H, ROSINSKI RICHARD R and FARBER JAMES M. 1991. UNIX SISTEMA V VERSION 4. MADRID ; MEXICO: OSBORNE-MCGRAW-HILL.

Harvard

ROSEN K. H., ROSINSKI R. R. and FARBER J. M. (1991). UNIX SISTEMA V VERSION 4. MADRID ; MEXICO: OSBORNE-MCGRAW-HILL.

MLA

ROSEN KENNETH H, ROSINSKI RICHARD R and FARBER JAMES M. UNIX SISTEMA V VERSION 4. MADRID ; MEXICO: OSBORNE-MCGRAW-HILL. 1991.