Παραπομπή σε μορφή APA (7η εκδ.)

Hanssen, O. J. (1997). Sustainable industrial product systems: Integration of life cycle assessment in product development and optimisation of product systems. Stiftelsen Østfoldforskning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hanssen, Ole Jørgen. Sustainable Industrial Product Systems: Integration of Life Cycle Assessment in Product Development and Optimisation of Product Systems. Fredrikstad ; Trondheim: Stiftelsen Østfoldforskning, 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hanssen, Ole Jørgen. Sustainable Industrial Product Systems: Integration of Life Cycle Assessment in Product Development and Optimisation of Product Systems. Stiftelsen Østfoldforskning, 1997.