Hensel, Witold
Polonia Publishing House, 1960
Buku Teks
Michalak-Gray, Joanna, author
Teach Yourself , 2014
Buku Teks
Fuksiewicz, Jacek, author
Interpress, 1993
Buku Teks
Nowacki, Witold
Pergamon Press, 1986
Buku Teks
Doroszewski, Witold
Mouton, 1973
Buku Teks