ebrary, Inc. (1998). Future directions for the National Science Foundation's Arctic Natural Sciences Program. National Academy Press.
Chicago Style (17th ed.) Citationebrary, Inc. Future Directions for the National Science Foundation's Arctic Natural Sciences Program. Washington, D.C.: National Academy Press, 1998.
MLA引文ebrary, Inc. Future Directions for the National Science Foundation's Arctic Natural Sciences Program. National Academy Press, 1998.
警告：這些引文格式不一定是100％准確.