APA
Epperson J. E., Chien M. & Hamm S. (1990). The Potential Impact of Increased Production Costs in the Western United States on Southeastern Fresh Vegetable Production. Athens: Agricultural Experiment Stations The Uniwersity of Georgia.
Chicago
Epperson J E, Chien M.C and Hamm S.R. 1990. The Potential Impact of Increased Production Costs in the Western United States on Southeastern Fresh Vegetable Production. Athens: Agricultural Experiment Stations The Uniwersity of Georgia.
Harvard
Epperson J. E., Chien M. and Hamm S. (1990). The Potential Impact of Increased Production Costs in the Western United States on Southeastern Fresh Vegetable Production. Athens: Agricultural Experiment Stations The Uniwersity of Georgia.
MLA
Epperson J E, Chien M.C and Hamm S.R. The Potential Impact of Increased Production Costs in the Western United States on Southeastern Fresh Vegetable Production. Athens: Agricultural Experiment Stations The Uniwersity of Georgia. 1990.