Paddock, W., & Whipple, O. B. (1912). Fruit-growing in arid regions: An account of approved fruit-growing practices in the inter-mountain country of the Western United States, comprising the States of Colorado, Montana, Idaho, Utah, Nevada, and in Northern Arizona and New Mexico, with applications to adjacent regions. New York: The Macmillan Company.

Paddock, Wendell, and Orville B. Whipple. Fruit-growing in Arid Regions: An Account of Approved Fruit-growing Practices in the Inter-mountain Country of the Western United States, Comprising the States of Colorado, Montana, Idaho, Utah, Nevada, and in Northern Arizona and New Mexico, With Applications to Adjacent Regions. New York: The Macmillan Company, 1912.

Paddock, Wendell, and Orville B. Whipple. Fruit-growing in Arid Regions: An Account of Approved Fruit-growing Practices in the Inter-mountain Country of the Western United States, Comprising the States of Colorado, Montana, Idaho, Utah, Nevada, and in Northern Arizona and New Mexico, With Applications to Adjacent Regions. New York: The Macmillan Company, 1912.