Oram, F. A. (2007). Peterson's graduate programs in the physical sciences, mathematics, agricultural sciences, the environment & natural resources (41st ed.). Princeton, N.J.: Peterson's.
Chicago Stili AlıntıOram, Fern A. Peterson's Graduate Programs in the Physical Sciences, Mathematics, Agricultural Sciences, the Environment & Natural Resources. 41st ed. Princeton, N.J.: Peterson's, 2007.
MLA AlıntıOram, Fern A. Peterson's Graduate Programs in the Physical Sciences, Mathematics, Agricultural Sciences, the Environment & Natural Resources. 41st ed. Princeton, N.J.: Peterson's, 2007.
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