APA-čujuhus (7. p.)
American Water Works Association, Valentine, M., & Armstrong, C. (2014). Groundwater (Fourth edition.). American Water Works Association.
Chicago-čujuhus (17. p.)
American Water Works Association, Melissa Valentine, juo Cheryl Armstrong. Groundwater. Fourth edition. Denver, Colorado: American Water Works Association, 2014.
MLA-čujuhus (9. p.)
American Water Works Association, et al. Groundwater. Fourth edition. American Water Works Association, 2014.
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