OTTO, K. N. (2004). PRODUCT DESIGN. PEARSON.
Chicago Style (17th ed.) CitationOTTO, K N. PRODUCT DESIGN. NEW DELHI: PEARSON, 2004.
MLA (9th ed.) CitationOTTO, K N. PRODUCT DESIGN. PEARSON, 2004.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.