APA Alıntı

de Craen, A. J. M., Moerman, D. E., Heisterkamp, S. H., Tytgat, G. N. J., Tijssen, J. G. P., & Kleijnen, J. (1999). Placebo effect in the treatment of duodenal ulcer. Blackwell Science Inc.

Chicago Stili Alıntı

de Craen, Anton J M., Daniel E. Moerman, Simon H. Heisterkamp, Guido N J. Tytgat, Jan G P. Tijssen, ve Jos Kleijnen. Placebo Effect in the Treatment of Duodenal Ulcer. Blackwell Science Inc, 1999.

MLA Alıntı

de Craen, Anton J M., et al. Placebo Effect in the Treatment of Duodenal Ulcer. Blackwell Science Inc, 1999.