ebrary, Inc, & Spies, R. B. (2007). Long-term ecological change in the Northern Gulf of Alaska. Elsevier.
芝加哥风格引文ebrary, Inc, 与 Robert Bernard Spies. Long-term Ecological Change in the Northern Gulf of Alaska. Amsterdam: Elsevier, 2007.
MLA引文ebrary, Inc, 与 Robert Bernard Spies. Long-term Ecological Change in the Northern Gulf of Alaska. Elsevier, 2007.
警告：这些引文格式不一定是100％准确.