Gaya APA
Chiang, A, C., Sudigno, .
(1991).
Dasar - dasar matematika ekonomi
(
3rd ed)
.
Jakarta:
Penerbit Erlangga.
Gaya MLA
Chiang, Alpha, C.., Sudigno, .
"Dasar - dasar matematika ekonomi".
3rd ed
Jakarta:
Penerbit Erlangga,
1991.
Printed Book.