APA-referens (7:e uppl.)

Billingsley, W., Phan, H., Ngu, B., Kwan, P., & Gromik, N. (2021). University of New England: SD15-5190. Australia. Dept of Education, Skills and Employment.

Chicago-referens (17:e uppl.)

Billingsley, William, Huy Phan, Bing Ngu, Paul Kwan, och Nicolas Gromik. University of New England: SD15-5190. Australia. Dept of Education, Skills and Employment, 2021.

MLA-referens (9:e uppl.)

Billingsley, William, et al. University of New England: SD15-5190. Australia. Dept of Education, Skills and Employment, 2021.