Gaya APA
Fourth Generation Languages under DOS and UNIX. ().
London:
BSP Profesional Books.
Gaya Chicago
Fourth Generation Languages under DOS and UNIX.
.
London:
BSP Profesional Books,
.
Text.
Gaya MLA
Fourth Generation Languages under DOS and UNIX.
.
London:
BSP Profesional Books,
.
Text.
Gaya Turabian
Fourth Generation Languages under DOS and UNIX.
London:
BSP Profesional Books,
.
Print.