Gaya APA
Maintence Management. (1978).
Amerika:
Lexington Books.
Gaya Chicago
Maintence Management.
cet.3.
Amerika:
Lexington Books,
1978.
.
Gaya MLA
Maintence Management.
cet.3.
Amerika:
Lexington Books,
1978.
.
Gaya Turabian
Maintence Management.
Amerika:
Lexington Books,
1978.
.