Não informado. (2004). Environmental & Engineering Geoscience. Association of Engineering Geologists.
Citação do estilo Chicago (17ª ed.)Não informado. Environmental & Engineering Geoscience. College Station, Tex: Association of Engineering Geologists, 2004.
Citação MLA (8ª ed.)Não informado. Environmental & Engineering Geoscience. Association of Engineering Geologists, 2004.
警告：这些引文格式不一定是100％准确.