Postma, M. J., Beck, E. J., Mandalia, S., Sherr, L., Walters, M. D. S., Houweling, H., & Jager, J. C. (1999). Universal HIV screening of pregnant women in England: Cost effectiveness analysis. British Medical Journal.
استشهاد بنمط شيكاغوPostma, M J., E J. Beck, S. Mandalia, L. Sherr, M D S. Walters, H. Houweling, و J C. Jager. Universal HIV Screening of Pregnant Women in England: Cost Effectiveness Analysis. British Medical Journal, 1999.
MLA استشهادPostma, M J., et al. Universal HIV Screening of Pregnant Women in England: Cost Effectiveness Analysis. British Medical Journal, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.