Παραπομπή σε μορφή APA (7η εκδ.)

Klostermann, J. E. M., & Tukker, A. (1998). Product innovation and eco-efficiency: Twenty-three industry efforts to reach the factor 4. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Klostermann, Judith E. M., και Arnold Tukker. Product Innovation and Eco-efficiency: Twenty-three Industry Efforts to Reach the Factor 4. Dordrecht: Kluwer Academic Publishers, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Klostermann, Judith E. M., και Arnold Tukker. Product Innovation and Eco-efficiency: Twenty-three Industry Efforts to Reach the Factor 4. Kluwer Academic Publishers, 1998.