Gaya APA
Weber, J, E. (1982).
Matematical analysis: busenes and ekonoamic application / Jean E. Weber (Ed.4).
:
Harper Row Publisher.
Gaya MLA
Weber, Jean, E..
"Matematical analysis: busenes and ekonoamic application / Jean E. Weber".
Ed.4
:
Harper Row Publisher,
1982.
Referensi.