Gaya APA
T.blank, L., Tarquin, A, J.
(1998).
Enginering economy
(
^a4 ^bJilid 1)
.
^aSingapore:
^aWCB/McGraw-Hill.
Gaya MLA
T.blank, Leland., Tarquin, Anthony, J..
"Enginering economy".
^a4 ^bJilid 1
^aSingapore:
^aWCB/McGraw-Hill,
1998.
Text.