APA引文

(2011). Ultrafilters and topologies on groups Yevhen G. Zelenyuk. [electronic resource].

Chicago Style (17th ed.) Citation

Ultrafilters and Topologies on Groups Yevhen G. Zelenyuk. [electronic Resource]. 2011.

MLA引文

Ultrafilters and Topologies on Groups Yevhen G. Zelenyuk. [electronic Resource]. 2011.

警告：這些引文格式不一定是100％准確.