Παραπομπή APA

Sanz, J. L., & Giocoechea, L. J. (1985). Observational and theoretical aspects of relativistic astrophysics and cosmology [proceedings]. World Scientific.

Παραπομπή Chicago Style

Sanz, J L., και L J. Giocoechea. Observational and Theoretical Aspects of Relativistic Astrophysics and Cosmology [proceedings]. Singapore: World Scientific, 1985.

Παραπομπή MLA

Sanz, J L., και L J. Giocoechea. Observational and Theoretical Aspects of Relativistic Astrophysics and Cosmology [proceedings]. World Scientific, 1985.