LANDMARKS & COHEN, H. [. (1970). Landmarks of american writing. Voice of america forum lectures.
芝加哥风格引文LANDMARKS 与 Hennig [ed] COHEN. Landmarks of American Writing. [sl]: Voice of america forum lectures, 1970.
MLA引文LANDMARKS 与 Hennig [ed] COHEN. Landmarks of American Writing. Voice of america forum lectures, 1970.
警告：这些引文格式不一定是100％准确.