Лоренс Дејл Бел — разлика између измена

* {{Cite book| last = Capps| first = Randall| authorlink = | coauthors = Paul Clermont| title = Entrepreneurship and innovation in Québec: how the province became a world| url = | year = 2004| publisher = Greenwood Publishing Group| location = | language = {{en|ref=harv}}| id = ISBN 978-1-56720-479-7| chapter = Bell Helicopter Textron Canada| chapterurl = http://books.google.com/books?id=kuaisKJbONUC&pg=PA71&dq=Bell+Helicopter+Textron&hl=sr&ei=os6DTKmDI8Kk4QbpqYWZBQ&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCkQ6AEwAA#v=onepage&q=Bell%20Helicopter%20Textron&f=false| ref=harv}}