Gaya APA
Coffin, Stephen. (1988).
Unix .
California:
MCGRAW-HILL.
Gaya Chicago
Coffin, Stephen.
Unix.
California:
MCGRAW-HILL,
1988.
.
Gaya MLA
Coffin, Stephen.
Unix.
California:
MCGRAW-HILL,
1988.
.
Gaya Turabian
Coffin, Stephen.
Unix.
California:
MCGRAW-HILL,
1988.
.