Keating, J. J., Johnson, P. J., Cochrane, A. M., Gazzard, B. G., Krasner, N., Smith, P. M., . . . Williams, R. (1989). A prospective randomised controlled trial of tamoxifen and cyproterone acetate in pancreatic carcinoma. Nature Publishing Group.
استشهاد بنمط شيكاغوKeating, J. J., et al. A Prospective Randomised Controlled Trial of Tamoxifen and Cyproterone Acetate in Pancreatic Carcinoma. Nature Publishing Group, 1989.
MLA استشهادKeating, J. J., et al. A Prospective Randomised Controlled Trial of Tamoxifen and Cyproterone Acetate in Pancreatic Carcinoma. Nature Publishing Group, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.