Gaya APA
Leong, T., L.F, I, C, M. (2009).
Business modeling with spreadsheets: prblems, principles, and practice .
New York:
.
Gaya MLA
Leong, Thin-Yin., L.F, I., Cheong,, Michelle.
"Business modeling with spreadsheets: prblems, principles, and practice".
New York:
,
2009.
.