Long, R. B. (1963). Structure Worksheets for Contemporary English: Structure Worksheets for Contemporary English : to accompany 'The Sentence and Its Parts : a grammar of contemporary English'. Chicago ; London: The University of Chicago Press.
Chicago stil citiranjaLong, Ralph B. Structure Worksheets for Contemporary English: Structure Worksheets for Contemporary English : to accompany 'The Sentence and Its Parts : a grammar of contemporary English'. Chicago ; London: The University of Chicago Press, 1963.
MLA stil citiranjaLong, Ralph B. Structure Worksheets for Contemporary English: Structure Worksheets for Contemporary English : to accompany 'The Sentence and Its Parts : a grammar of contemporary English'. Chicago ; London: The University of Chicago Press, 1963.