APA-viite (7. p.)

Funes, J., Bertola, F., Cappellari, M., Corsini, E., Pizzella, A., & Beltran, J. (1999). Ground-based detection of circumnuclear Keplerian disks of ionized gas in early-type disk galaxies.

Chicago-viite (17. p.)

Funes, J., F. Bertola, M. Cappellari, E. Corsini, A. Pizzella, ja J. Beltran. Ground-based Detection of Circumnuclear Keplerian Disks of Ionized Gas in Early-type Disk Galaxies. 1999.

MLA-viite (9. p.)

Funes, J., et al. Ground-based Detection of Circumnuclear Keplerian Disks of Ionized Gas in Early-type Disk Galaxies. 1999.