APA引文

Differentiable manifolds. [S.l.]: [s.n.].

Trích dẫn kiểu Chicago

Differentiable Manifolds. [S.l.]: [s.n.].

MLA引文

Differentiable Manifolds. [S.l.]: [s.n.].

警告：這些引文格式不一定是100％准確.