Schuller ,Robert H. (1988). Tough Times Never Last But Tough People Do. Orient Paperbacks.
Chicago Edition CitationSchuller ,Robert H. Tough Times Never Last But Tough People Do. Delhi: Orient Paperbacks, 1988.
MLA引文Schuller ,Robert H. Tough Times Never Last But Tough People Do. Orient Paperbacks, 1988.
警告:這些引文格式不一定是100%准確.