(2014). Peterson's graduate programs in the physical sciences, mathematics, agricultural sciences, the environment & natural resources 2014 (Forty-eighth edition.). Peterson's.
Citace podle Chicago (17th ed.)Peterson's Graduate Programs in the Physical Sciences, Mathematics, Agricultural Sciences, the Environment & Natural Resources 2014. Forty-eighth edition. Albany, New York: Peterson's, 2014.
Citace podle MLA (9th ed.)Peterson's Graduate Programs in the Physical Sciences, Mathematics, Agricultural Sciences, the Environment & Natural Resources 2014. Forty-eighth edition. Peterson's, 2014.
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