Williams, G. (1977). Towards lifelong education. Unesco.
芝加哥风格引文Williams, Gareth. Towards Lifelong Education. Unesco, 1977.
MLA引文Williams, Gareth. Towards Lifelong Education. Unesco, 1977.
警告：这些引文格式不一定是100％准确.
APA引文
Williams, G. (1977). Towards lifelong education. Unesco.
芝加哥风格引文Williams, Gareth. Towards Lifelong Education. Unesco, 1977.
MLA引文Williams, Gareth. Towards Lifelong Education. Unesco, 1977.