[February 12, 2015]. Haudricourt, Tom. Brewers By Position - Second base - Plotting ways to escape the speed trap. jsonline.com. [February 12, 2015]. (原始内容存档于2016-03-03)
Institute. 2010 [2012-09-07]. (原始内容存档于2014-07-14) (英语). Robert Jan Baken. Plotting, Squatting, Public Purpose, and Politics: Land Market Development, Low