Gaya APA

, R, B, P, B, D, F, K. (2015). Relatedness and technological change in cities: the rise and fall of technological knowledge in US metropolitan areas from 1981 to 2010 . : .

Gaya MLA

, Ron, Boschma,, Pierre-Alexandre, Balland,, Dieter, Franz, Kogler. "Relatedness and technological change in cities: the rise and fall of technological knowledge in US metropolitan areas from 1981 to 2010". : , 2015. Text.