APA-referens (7:e uppl.)

Gurkan, G., Jackson, N., Koopmans, L. V. E., Fassnacht, C. D., & Alba, A. B. (2014). Measuring gravitational lens time delays using low-resolution radio monitoring observations. https://doi.org/10.1093/mnras/stu557

Chicago-referens (17:e uppl.)

Gurkan, G., N. Jackson, L. V. E. Koopmans, C. D. Fassnacht, och A. Berciano Alba. Measuring Gravitational Lens Time Delays Using Low-resolution Radio Monitoring Observations. 2014. https://doi.org/10.1093/mnras/stu557.

MLA-referens (9:e uppl.)

Gurkan, G., et al. Measuring Gravitational Lens Time Delays Using Low-resolution Radio Monitoring Observations. 2014. https://doi.org/10.1093/mnras/stu557.