Gaya APA
Berlianta, H, C.
(2006).
Mengenal valuta asing
.
Gorontalo:
Gadjah Mada University Press.
Gaya MLA
Berlianta, Heli, Charisma.
"Mengenal valuta asing".
Gorontalo:
Gadjah Mada University Press,
2006.
Text.