Παραπομπή APA

Bleuler, K., & Petry, H. R. R. (1978). Differential geometrical methods in mathematical physics. II. Springer-Verlag.

Παραπομπή Chicago Style

Bleuler, K., και H R Reetz Petry. Differential Geometrical Methods in Mathematical Physics. II. Berlin: Springer-Verlag, 1978.

Παραπομπή MLA

Bleuler, K., και H R Reetz Petry. Differential Geometrical Methods in Mathematical Physics. II. Springer-Verlag, 1978.