Gaya APA
Subiakto, A.
(2010).
U - Boat The Battle Of The Atlantic
(
-, Cet. 1)
.
Yogyakarta:
Penerbit Narasi.
Gaya MLA
Subiakto, Ari.
"U - Boat The Battle Of The Atlantic".
-, Cet. 1
Yogyakarta:
Penerbit Narasi,
2010.
Non Fiksi.