EASSTON, L. B. (1981). Express Ways A Basal Language Program Level 4. The Economy Company.
Chicago Style (17th ed.) CitationEASSTON, Lois Brown. Express Ways A Basal Language Program Level 4. The Economy Company, 1981.
MLA引文EASSTON, Lois Brown. Express Ways A Basal Language Program Level 4. The Economy Company, 1981.
警告：這些引文格式不一定是100％准確.