APA استشهاد

Dale,Virginia H, & English,Mary R. (1999). Tools to aid environmental decision making. Springer-verlag.

استشهاد بنمط شيكاغو

Dale,Virginia H, و English,Mary R. Tools to Aid Environmental Decision Making. New York: Springer-verlag, 1999.

MLA استشهاد

Dale,Virginia H, و English,Mary R. Tools to Aid Environmental Decision Making. Springer-verlag, 1999.