Gaya APA
Umar, H.
(2002).
Research Methods In Finance And Banking
(
Kedua)
.
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Umar, Husein.
"Research Methods In Finance And Banking".
Kedua
Jakarta:
PT Gramedia Pustaka Utama,
2002.
buku.