Voet, Vincent, Jager, Jan and Folkersma, Rudy. "1 Towards a circular economy". Plastics in the Circular Economy, Berlin, Boston: De Gruyter, 2021, pp. 1-8. https://doi.org/10.1515/9783110666762-001
Voet, V., Jager, J. & Folkersma, R. (2021). 1 Towards a circular economy. In Plastics in the Circular Economy (pp. 1-8). Berlin, Boston: De Gruyter. https://doi.org/10.1515/9783110666762-001
Voet, V., Jager, J. and Folkersma, R. 2021. 1 Towards a circular economy. Plastics in the Circular Economy. Berlin, Boston: De Gruyter, pp. 1-8. https://doi.org/10.1515/9783110666762-001
Voet, Vincent, Jager, Jan and Folkersma, Rudy. "1 Towards a circular economy" In Plastics in the Circular Economy, 1-8. Berlin, Boston: De Gruyter, 2021. https://doi.org/10.1515/9783110666762-001
Voet V, Jager J, Folkersma R. 1 Towards a circular economy. In: Plastics in the Circular Economy. Berlin, Boston: De Gruyter; 2021. p.1-8. https://doi.org/10.1515/9783110666762-001