Burd, H. (1999). The history of PLAXIS.
芝加哥风格引文Burd, H. The History of PLAXIS. 1999.
MLA引文Burd, H. The History of PLAXIS. 1999.
警告：这些引文格式不一定是100％准确.
APA引文
Burd, H. (1999). The history of PLAXIS.
芝加哥风格引文Burd, H. The History of PLAXIS. 1999.
MLA引文Burd, H. The History of PLAXIS. 1999.