Sawko, F.
London: Applied Science, 1978
Buku Teks
[publisher not identified], [date of publication not identified]
Naskah
[publisher not identified], [date of publication not identified]
Naskah
Sujanto, author
Jakarta: [publisher not identified], 1968
Buku Teks
Kim, Yong-son, author
Inmun kwa Kyoyang, 2014
Buku Teks