ebrary, Inc, & Späth, A. (2007). Interfaces and interface conditions. Walter de Gruyter.
芝加哥风格引文ebrary, Inc, 与 Andreas Späth. Interfaces and Interface Conditions. Berlin ; New York: Walter de Gruyter, 2007.
MLA引文ebrary, Inc, 与 Andreas Späth. Interfaces and Interface Conditions. Walter de Gruyter, 2007.
警告：这些引文格式不一定是100％准确.