William Morris. (1970). The American heritage dictionary of English language. Boston: American Heritage.
Trích dẫn kiểu ChicagoWilliam Morris. The American Heritage Dictionary of English Language. Boston: American Heritage, 1970.
MLA引文William Morris. The American Heritage Dictionary of English Language. Boston: American Heritage, 1970.
警告:這些引文格式不一定是100%准確.