Leonhardt, F. Cracks and crack control in concrete structures. Centre for Information Services.
芝加哥风格引文Leonhardt, Fritz. Cracks and Crack Control in Concrete Structures. Pretoria, South Africa: Centre for Information Services.
MLA引文Leonhardt, Fritz. Cracks and Crack Control in Concrete Structures. Centre for Information Services.
警告：这些引文格式不一定是100％准确.