APA-viite (7. p.)

Grimes, J., Rawlings, S., & Willott, C. (2003). The Receding Torus Model - evidence from emission-line luminosities and the quasar fraction.

Chicago-viite (17. p.)

Grimes, J., S. Rawlings, ja C. Willott. The Receding Torus Model - Evidence from Emission-line Luminosities and the Quasar Fraction. 2003.

MLA-viite (9. p.)

Grimes, J., et al. The Receding Torus Model - Evidence from Emission-line Luminosities and the Quasar Fraction. 2003.