Friedemann, P., & Wang, E. (1981). Current left and labour press 1978-1981. Bochum: IALHI.
芝加哥风格引文Friedemann, Peter, 与 Edgar Wang. Current Left and Labour Press 1978-1981. Bochum: IALHI, 1981.
MLA引文Friedemann, Peter, 与 Edgar Wang. Current Left and Labour Press 1978-1981. Bochum: IALHI, 1981.
警告：这些引文格式不一定是100％准确.