Petikan Jasad_air

  1. ↑ Langbein, W.B.; Iseri, Kathleen T. (1995). "Hydrologic Definitions: Stream". Manual of Hydrology: Part 1. General Surface-Water Techniques (Water Supply Paper 1541-A). Reston, Virginia: USGS. .
  2. ↑ The first edition of Wetlands by Mitsch and Gosselink was published in 1986 by Van Nostrand Reinhold. Second,third, and fourth (current) editions were published in 1993, 2000, and 2007 respectively by John Wiley & Sons. http://www.wiley.com/WileyCDA/WileyTitle/productCd-0471699675.html