APA استشهاد

Kaaks, R. J. Efficiency aspectss of design and analysis of prospective cohort studies on diet, nutrition and cancer.

استشهاد بنمط شيكاغو

Kaaks, Rudolf J. Efficiency Aspectss of Design and Analysis of Prospective Cohort Studies on Diet, Nutrition and Cancer. Wageningen.

MLA استشهاد

Kaaks, Rudolf J. Efficiency Aspectss of Design and Analysis of Prospective Cohort Studies on Diet, Nutrition and Cancer.