Gaya APA

Beatty, M, T. (1991). Soil Science at the University of Wisconsin-Madison: A History of the Department, 1889-1989 . : Department of Soil Science, College of Agricultural and Life Sciences, University of Wisconsin-Madis.

Gaya MLA

Beatty, Marvin, T.. "Soil Science at the University of Wisconsin-Madison: A History of the Department, 1889-1989". : Department of Soil Science, College of Agricultural and Life Sciences, University of Wisconsin-Madis, 1991. Text.