APA引文
Sommer, H. (1979). The Precision of the microscopial determination of the air-void system in hardened concrete. American Soc. for Testing and Materials.
Chicago Style (17th ed.) Citation
Sommer, Hermann. The Precision of the Microscopial Determination of the Air-void System in Hardened Concrete. Philadelphia, Pa: American Soc. for Testing and Materials, 1979.
MLA引文
Sommer, Hermann. The Precision of the Microscopial Determination of the Air-void System in Hardened Concrete. American Soc. for Testing and Materials, 1979.
警告：這些引文格式不一定是100％准確.