Michalak-Gray, Joanna
Complete Polish
Teach Yourself , 2014
 Buku Teks SO
Moral, legal and political values in Romanian culture: Romanian philosophical studies, IV
edited by Mihaela Czobor-Lupp and J. Stefan Lupp
Council for Research in Values and Philosophy, 2002
 Buku Teks SO
Japanne culture and behavior slected readings
Univ of Hawai Press, 1986
 Buku Teks SO
Pergamon world atlas / Polish Army Topographical Service
Pergamon Press, 1968
 Buku Referensi
Polish Short Stories/ Selection of the stories; Zbigniew Zabicki; Polish editor Jadwiga Lewicka
Polonia Publishing House, 1960
 Buku Teks SO