Sigmundová, D., El Ansari, W., Sigmund, E., & Frömel, K. (2011). Secular trends: A ten-year comparison of the amount and type of physical activity and inactivity of random samples of adolescents in the Czech Republic. BioMed Central.
Styl ChicagoSigmundová, Dagmar, Walid El Ansari, Erik Sigmund, a Karel Frömel. Secular Trends: A Ten-year Comparison of the Amount and Type of Physical Activity and Inactivity of Random Samples of Adolescents in the Czech Republic. BioMed Central, 2011.
Citace podle MLASigmundová, Dagmar, Walid El Ansari, Erik Sigmund, a Karel Frömel. Secular Trends: A Ten-year Comparison of the Amount and Type of Physical Activity and Inactivity of Random Samples of Adolescents in the Czech Republic. BioMed Central, 2011.