Peterson, A. B., & Stevens, R. G. (1994). Tree fruit nutrition: A comprehensive manual of deciduous tree fruit nutrient needs. Good Fruit Grower.
Chicago-čujuhus (17. p.)Peterson, Allen Brooke, juo Robert G. Stevens. Tree Fruit Nutrition: A Comprehensive Manual of Deciduous Tree Fruit Nutrient Needs. Washington, USA: Good Fruit Grower, 1994.
MLA-čujuhus (9. p.)Peterson, Allen Brooke, juo Robert G. Stevens. Tree Fruit Nutrition: A Comprehensive Manual of Deciduous Tree Fruit Nutrient Needs. Good Fruit Grower, 1994.
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