Kramer, C. D. (1983). Crop Reactions to Water and Temperature Stresses in Humid Temperate Climates. Westview Press.
Cita Chicago (17th ed.)Kramer, Calvin D. Crop Reactions to Water and Temperature Stresses in Humid Temperate Climates. Boulder, Colo.: Westview Press, 1983.
Cita MLA (9th ed.)Kramer, Calvin D. Crop Reactions to Water and Temperature Stresses in Humid Temperate Climates. Westview Press, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.