Ringold, P. L. (1980). The coastal almanac for 1980 - The year of the coast. W. H. Freeman.
芝加哥风格引文Ringold, Paul L. The Coastal Almanac for 1980 - The Year of the Coast. San Francisco: W. H. Freeman, 1980.
MLA引文Ringold, Paul L. The Coastal Almanac for 1980 - The Year of the Coast. W. H. Freeman, 1980.
警告：这些引文格式不一定是100％准确.