Gaya APA
Kessel, Rolf. (1981).
Office automation .
:
ASCE.
Gaya Chicago
Kessel, Rolf.
Office automation.
:
ASCE,
1981.
Computer Software.
Gaya MLA
Kessel, Rolf.
Office automation.
:
ASCE,
1981.
Computer Software.
Gaya Turabian
Kessel, Rolf.
Office automation.
:
ASCE,
1981.
Computer Software.