Hoffman, H. R. (1960). The reader's adviser and bookman's manual: A guide to the best in print in literature, biographies, dictionaries, encyclopedias, bibles, classics, drama, poetry, fiction, science, philosophy, travel, history (9th ed., rev., enlarged.). New York: R. R. Bowker.
Παραπομπή Chicago StyleHoffman, Hester R. The Reader's Adviser and Bookman's Manual: A Guide to the Best in Print in Literature, Biographies, Dictionaries, Encyclopedias, Bibles, Classics, Drama, Poetry, Fiction, Science, Philosophy, Travel, History. 9th ed., rev., enlarged. New York: R. R. Bowker, 1960.
Παραπομπή MLAHoffman, Hester R. The Reader's Adviser and Bookman's Manual: A Guide to the Best in Print in Literature, Biographies, Dictionaries, Encyclopedias, Bibles, Classics, Drama, Poetry, Fiction, Science, Philosophy, Travel, History. 9th ed., rev., enlarged. New York: R. R. Bowker, 1960.