Gaya APA
Bertino, A., Valla, F.
(1996).
Gauchos Legendaris
.
Bogor:
Alice Saputra Communications.
Gaya MLA
Bertino, Andree., Valla, Fredo.
"Gauchos Legendaris".
Bogor:
Alice Saputra Communications,
1996.
Text.