Holland, D., Drenttel, W., & Beirut, M. (1997). Design in depth: Unique projects created, visually explored and analyzed by fifty-one leading design firms. Rockport Pub.
Chicago-viite (17. p.)Holland, DK, William Drenttel, ja Michael Beirut. Design in Depth: Unique Projects Created, Visually Explored and Analyzed by Fifty-one Leading Design Firms. Rockport Mass: Rockport Pub, 1997.
MLA-viite (9. p.)Holland, DK, et al. Design in Depth: Unique Projects Created, Visually Explored and Analyzed by Fifty-one Leading Design Firms. Rockport Pub, 1997.
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