Não informado. Association of Engineering Geologists newsletter. Association of Engineering Geologists.
Citação do estilo Chicago (17ª ed.)Não informado. Association of Engineering Geologists Newsletter. Lawrence, Kan: Association of Engineering Geologists.
Citação MLA (8ª ed.)Não informado. Association of Engineering Geologists Newsletter. Association of Engineering Geologists.
警告：这些引文格式不一定是100％准确.