Dyfyniad APA
Ahrens, A., Braun, A., Gleich, A., Heitmann, K., & Lißner, L. (2006). Hazardous Chemicals in Products and Processes: Substitution as an Innovative Process. Physica-Verlag HD. https://doi.org/10.1007/3-7908-1643-4
Dyfyniad Arddull Chicago
Ahrens, Andreas, Angelika Braun, Arnim Gleich, Kerstin Heitmann, and Lothar Lißner. Hazardous Chemicals in Products and Processes: Substitution as an Innovative Process. Heidelberg: Physica-Verlag HD, 2006. https://doi.org/10.1007/3-7908-1643-4.
Dyfyniad MLA
Ahrens, Andreas, et al. Hazardous Chemicals in Products and Processes: Substitution as an Innovative Process. Physica-Verlag HD, 2006. https://doi.org/10.1007/3-7908-1643-4.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.