Watson, J. M., & Parker, R. G. (1872). National elementary speller: A critical work on pronunciation embracing strictly graded classification of the primitive and the more important derivative words of the English language for oral spelling, exercises for writing from dictation, prefixes, affixes, etc., etc. A.S. Barnes & Company.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Watson, J. Madison, và Richard Green Parker. National Elementary Speller: A Critical Work on Pronunciation Embracing Strictly Graded Classification of the Primitive and the More Important Derivative Words of the English Language for Oral Spelling, Exercises for Writing from Dictation, Prefixes, Affixes, Etc., Etc. New York: A.S. Barnes & Company, 1872.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Watson, J. Madison, và Richard Green Parker. National Elementary Speller: A Critical Work on Pronunciation Embracing Strictly Graded Classification of the Primitive and the More Important Derivative Words of the English Language for Oral Spelling, Exercises for Writing from Dictation, Prefixes, Affixes, Etc., Etc. A.S. Barnes & Company, 1872.