Hájek, P. (2016). Knowledge spillover effects in German knowledge-intensive industries.
استشهاد بنمط شيكاغوHájek, Petr. Knowledge Spillover Effects in German Knowledge-intensive Industries. 2016.
MLA استشهادHájek, Petr. Knowledge Spillover Effects in German Knowledge-intensive Industries. 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.