Παραπομπή σε μορφή APA (7η εκδ.)

Ahrens, A., Braun, A., Gleich, A., Heitmann, K., & Lißner, L. (2006). Hazardous Chemicals in Products and Processes: Substitution as an Innovative Process. Physica-Verlag Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ahrens, Andreas, Angelika Braun, Arnim Gleich, Kerstin Heitmann, και Lothar Lißner. Hazardous Chemicals in Products and Processes: Substitution as an Innovative Process. Heidelberg: Physica-Verlag Heidelberg, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ahrens, Andreas, et al. Hazardous Chemicals in Products and Processes: Substitution as an Innovative Process. Physica-Verlag Heidelberg, 2006.