APA-referens (7:e uppl.)

Dritsaki, M., Gray, A., Petrou, S., Dutton, S., Lamb, S., & Thorn, J. (2017). Current UK practices on Health Economics Analysis Plans (HEAPs): Are we using heaps of them? Springer International Publishing.

Chicago-referens (17:e uppl.)

Dritsaki, M., A. Gray, S. Petrou, S. Dutton, S. Lamb, och J. Thorn. Current UK Practices on Health Economics Analysis Plans (HEAPs): Are We Using Heaps of Them? Springer International Publishing, 2017.

MLA-referens (9:e uppl.)

Dritsaki, M., et al. Current UK Practices on Health Economics Analysis Plans (HEAPs): Are We Using Heaps of Them? Springer International Publishing, 2017.