Gaya APA
Barnett, R, A., E., I, Z, M, R, I, B, K. (2002).
College mathematics for business, economics, life sciences and social ì sciences .
Boston:
.
Gaya MLA
Barnett, Raymond, A.., E., I., Ziegler,, Michael, R., II., Byleen,, Karl.
"College mathematics for business, economics, life sciences and social ì sciences".
Boston:
,
2002.
Text.