Cita APA (7th ed.)

Fang, L. Z., & Remo Ruffini. Basic concepts in relativistic astrophysics.

Cita Chicago (17th ed.)

Fang, Li Zhi, i Remo Ruffini. Basic Concepts in Relativistic Astrophysics.

Cita MLA (9th ed.)

Fang, Li Zhi, i Remo Ruffini. Basic Concepts in Relativistic Astrophysics.

Atenció: Aquestes cites poden no estar 100% correctes.