APA引文

Ngu, M. H. (2012). Freeness of certain torsion-free Abelian groups.

Chicago Style (17th ed.) Citation

Ngu, Min Hui. Freeness of Certain Torsion-free Abelian Groups. 2012.

MLA引文

Ngu, Min Hui. Freeness of Certain Torsion-free Abelian Groups. 2012.

警告：这些引文格式不一定是100％准确.