Bittmann, Felix. "12. The next steps". Stata: A Really Short Introduction, Berlin, Boston: De Gruyter Oldenbourg, 2019, pp. 153-154. https://doi.org/10.1515/9783110617160-012
Bittmann, F. (2019). 12. The next steps. In Stata: A Really Short Introduction (pp. 153-154). Berlin, Boston: De Gruyter Oldenbourg. https://doi.org/10.1515/9783110617160-012
Bittmann, F. 2019. 12. The next steps. Stata: A Really Short Introduction. Berlin, Boston: De Gruyter Oldenbourg, pp. 153-154. https://doi.org/10.1515/9783110617160-012
Bittmann, Felix. "12. The next steps" In Stata: A Really Short Introduction, 153-154. Berlin, Boston: De Gruyter Oldenbourg, 2019. https://doi.org/10.1515/9783110617160-012
Bittmann F. 12. The next steps. In: Stata: A Really Short Introduction. Berlin, Boston: De Gruyter Oldenbourg; 2019. p.153-154. https://doi.org/10.1515/9783110617160-012