National Library Board, 2008
Buku Referensi
Ross, Harris
Greenwood Press, 1987
Buku Referensi
The Reader's adviser and bookman's manual : a guide to best in print in literature, bibgraphies, dictionaries, encyclopedias, bibles, classics, drama, poetry, fiction, science, philosophy, travel, history
R. R. Bowker, 1960
Buku Referensi
Schmitt, Franz Anselm
Walter de Gruyfer, 1959
Buku Referensi
Brouwers, Jeroen, author
Uitgeverij Atlas, 1996
Buku Teks