Darby, S., Rizza, C., Doll, R., Spooner, R., Stratton, I., & Thakrar, B. (1989). Incidence of AIDS and excess of mortality associated with HIV in haemophiliacs in the United Kingdom: Report on behalf of the directors of haemophilia centres in the United Kingdom.
Cytowanie według stylu Chicago (wyd. 17)Darby, S., C. Rizza, R. Doll, R. Spooner, I. Stratton, i B. Thakrar. Incidence of AIDS and Excess of Mortality Associated with HIV in Haemophiliacs in the United Kingdom: Report on Behalf of the Directors of Haemophilia Centres in the United Kingdom. 1989.
Cytowanie według stylu MLA (wyd. 9)Darby, S., et al. Incidence of AIDS and Excess of Mortality Associated with HIV in Haemophiliacs in the United Kingdom: Report on Behalf of the Directors of Haemophilia Centres in the United Kingdom. 1989.