National Water Well Association. (1963). Ground Water. Water Well Journal Publishing.
Citação do estilo Chicago (17ª ed.)National Water Well Association. Ground Water. Dublin, Ohio: Water Well Journal Publishing, 1963.
Citação MLA (8ª ed.)National Water Well Association. Ground Water. Water Well Journal Publishing, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.