APA

Nelen W. L. D. M., van der Pluijm R. W., Hermens R. P. M. G., Bergh C., de Sutter P., Nygren K. G., Wetzels A. M. M., Grol R. P. T. M. & Kremer J. A. M. (20080929). The methodological quality of clinical guidelines of the European Society of Human Reproduction and Embryology (ESHRE). : Human reproduction (Oxford, England).

Chicago

Nelen W L D M, van der Pluijm R W, Hermens R P M G, Bergh C, de Sutter P, Nygren K G, Wetzels A M M, Grol R P T M and Kremer J A M. 20080929. The methodological quality of clinical guidelines of the European Society of Human Reproduction and Embryology (ESHRE). : Human reproduction (Oxford, England).

Harvard

Nelen W. L. D. M., van der Pluijm R. W., Hermens R. P. M. G., Bergh C., de Sutter P., Nygren K. G., Wetzels A. M. M., Grol R. P. T. M. and Kremer J. A. M. (20080929). The methodological quality of clinical guidelines of the European Society of Human Reproduction and Embryology (ESHRE). : Human reproduction (Oxford, England).

MLA

Nelen W L D M, van der Pluijm R W, Hermens R P M G, Bergh C, de Sutter P, Nygren K G, Wetzels A M M, Grol R P T M and Kremer J A M. The methodological quality of clinical guidelines of the European Society of Human Reproduction and Embryology (ESHRE). : Human reproduction (Oxford, England). 20080929.