Study guide for life : cells, organisms, population
Sinauer Associates, 1977
 Buku Teks
Selected federal taxation statutes and regulations
edited by Michael D. Rose
West Publishing, 1996
 Buku Teks
West`s federal taxation Individual income taxes
edited by William H. Hoffman
West Publishing, 1988
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Juergensmeyer, Julian Conrad, author
Agricultural law; Volume I
Little, Brown, 1982
 Buku Teks
Juergensmeyer, Julian Conrad, author
Agricultural law; Volume II
Little, Brown, 1982
 Buku Teks