Dougherty, M. M. (1967). Instant spelling dictionary: 25,000 words spelled, divided, accented, including complete rules for spelling, word division, punctuation, capitalization, abbreviating, word compounding, forms of address, and proofreader's marks (New Third edition.). Career Institute.
Chicago-viite (17. p.)Dougherty, Margaret M. Instant Spelling Dictionary: 25,000 Words Spelled, Divided, Accented, Including Complete Rules for Spelling, Word Division, Punctuation, Capitalization, Abbreviating, Word Compounding, Forms of Address, and Proofreader's Marks. New Third edition. New Jersey: Career Institute, 1967.
MLA-viite (9. p.)Dougherty, Margaret M. Instant Spelling Dictionary: 25,000 Words Spelled, Divided, Accented, Including Complete Rules for Spelling, Word Division, Punctuation, Capitalization, Abbreviating, Word Compounding, Forms of Address, and Proofreader's Marks. New Third edition. Career Institute, 1967.