Gaya APA
Daya, B, B. (1991).
Statistik ekonomi dan keuangan Indonesia 1991 = economic and financial statictics of Indonesia 1991. .
Jakarta:
[s.n].
Gaya MLA
Daya, Bank, Bumi.
"Statistik ekonomi dan keuangan Indonesia 1991 = economic and financial statictics of Indonesia 1991.".
Jakarta:
[s.n],
1991.
Buku.