Gaya APA
Nobukatsu, F.
(1997).
Kyoukasho ga Oshienai Kekishi 4
.
Jepang:
Sankei Shinbunsha.
Gaya MLA
Nobukatsu, Fujioka.
"Kyoukasho ga Oshienai Kekishi 4".
Jepang:
Sankei Shinbunsha,
1997.
Text.