Hanssen, O. J. (1997). Sustainable industrial product systems: Integration of life cycle assessment in product development and optimisation of product systems. Stiftelsen Østfoldforskning.
Chicago-referens (17:e uppl.)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.
MLA-referens (8:e uppl.)Hanssen, Ole Jørgen. Sustainable Industrial Product Systems: Integration of Life Cycle Assessment in Product Development and Optimisation of Product Systems. Stiftelsen Østfoldforskning, 1997.
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