Belza, M., & t for. (2005). Risk of HIV infection among male sex workers in Spain. BMJ Group.
استشهاد بنمط شيكاغوBelza, M., و t for. Risk of HIV Infection Among Male Sex Workers in Spain. BMJ Group, 2005.
MLA استشهادBelza, M., و t for. Risk of HIV Infection Among Male Sex Workers in Spain. BMJ Group, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.