APA استشهاد

Wainwright,J Ed, & G.F.R Ellis. (1997). Dynamical Systems in Cosmology. CUP.

استشهاد بنمط شيكاغو

Wainwright,J Ed, و G.F.R Ellis. Dynamical Systems in Cosmology. New York: CUP, 1997.

MLA استشهاد

Wainwright,J Ed, و G.F.R Ellis. Dynamical Systems in Cosmology. CUP, 1997.