APA استشهاد

Besse, A. L. (1978). manifolds all of whose geodesics are closed. Springer-Verlag.

استشهاد بنمط شيكاغو

Besse, Arthur L. Manifolds All of Whose Geodesics Are Closed. Berlin: Springer-Verlag, 1978.

MLA استشهاد

Besse, Arthur L. Manifolds All of Whose Geodesics Are Closed. Springer-Verlag, 1978.