闫维凤, 严勇, 吕本祥, 刘雅婷, & 李向荣. 河北省秦皇岛市农业非点源污染现状调查与评价. Editorial Office of Pearl River.
Chicago Style (17th ed.) Citation闫维凤, 严勇, 吕本祥, 刘雅婷, and 李向荣. 河北省秦皇岛市农业非点源污染现状调查与评价. Editorial Office of Pearl River.
MLA (9th ed.) Citation闫维凤, et al. 河北省秦皇岛市农业非点源污染现状调查与评价. Editorial Office of Pearl River.
Warning: These citations may not always be 100% accurate.