Gaya APA
Bourgeois, P, &, B, C., Setiyowati, C, E.
(2000).
Helm baru franklin
.
Yogyakarta:
Kanisius.
Gaya MLA
Bourgeois, Paulette, &, Brenda, Clark., Setiyowati, C., Erni.
"Helm baru franklin".
Yogyakarta:
Kanisius,
2000.
Text / Book.