Barnard, H., & Barnard, H. (1972). Advanced English vocabulary: Workbook one (Rev. edición.). Rowley, Mass.: Newbury House.
Chicago Style CitationBarnard, Helen, and Helen Barnard. Advanced English Vocabulary: Workbook One. Rev. edición. Rowley, Mass.: Newbury House, 1972.
MLA CitationBarnard, Helen, and Helen Barnard. Advanced English Vocabulary: Workbook One. Rev. edición. Rowley, Mass.: Newbury House, 1972.
Warning: These citations may not always be 100% accurate.