November 30, 2012閲覧。 ^ “Dallas/FortWorth – All-Time Maximum and Minimum Temperatures”. National Weather Service FortWorth. December 5, 2011閲覧。 ^ "DFW –
Vaughan, T. A. 1986. Mammalogy. Third Edition. Saunders College Publishing, FortWorth. vii+576 pp. Vaughan, T. A., J. M. Ryan, N. J. Czaplewski. 2000. Mammalogy