WIDIASTUTI , A. (2007). BLACK AMERICAN LIFE REFLECTED IN LANGSTON HUGHES’ POEMS: A SOCIOLOGICAL APPROACH.
芝加哥风格引文WIDIASTUTI , AFISTA. BLACK AMERICAN LIFE REFLECTED IN LANGSTON HUGHES’ POEMS: A SOCIOLOGICAL APPROACH. 2007.
MLA引文WIDIASTUTI , AFISTA. BLACK AMERICAN LIFE REFLECTED IN LANGSTON HUGHES’ POEMS: A SOCIOLOGICAL APPROACH. 2007.
警告：这些引文格式不一定是100％准确.