Allen, H. E., & Kramer, J. R. (1972). Nutrients in natural waters. John Wiley.
シカゴスタイル引用形Allen, Herbert E., , James R. Kramer. Nutrients in Natural Waters. New York: John Wiley, 1972.
MLA引用形式Allen, Herbert E., , James R. Kramer. Nutrients in Natural Waters. John Wiley, 1972.
警告: この引用は必ずしも正確ではありません.