APA Alıntı

Petersen, J. J., Paulitsch, M. A., Guethlin, C., Gensichen, J., & Jahn, A. (2009). A survey on worries of pregnant women - testing the German version of the Cambridge Worry Scale. BioMed Central.

Chicago Stili Alıntı

Petersen, Juliana J., Michael A. Paulitsch, Corina Guethlin, Jochen Gensichen, ve Albrecht Jahn. A Survey On Worries of Pregnant Women - Testing the German Version of the Cambridge Worry Scale. BioMed Central, 2009.

MLA Alıntı

Petersen, Juliana J., et al. A Survey On Worries of Pregnant Women - Testing the German Version of the Cambridge Worry Scale. BioMed Central, 2009.