Borggren, C. Books from an environmental perspective-Part 1: Environmental impacts of paper books sold in traditional and internet bookshops. The International Journal of Life Cycle Assessment.
Chicago Style (17. basım) AtıfBorggren, Clara. "Books from an Environmental Perspective-Part 1: Environmental Impacts of Paper Books Sold in Traditional and Internet Bookshops." The International Journal of Life Cycle Assessment .
MLA (9th ed.) AtıfBorggren, Clara. "Books from an Environmental Perspective-Part 1: Environmental Impacts of Paper Books Sold in Traditional and Internet Bookshops." The International Journal of Life Cycle Assessment, .
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