APA

U.S. Department of the Army. Technical manual nr 5-852-6. Air Force manual nr 88-19 C. 6., . (1966). Calculation methods for determination of depths of freeze and thaw in soils. Arctic and subarctic construction. Washington DC: U.S. Department of the Army. Technical manual nr 5-852-6. Air Force manual nr 88-19, Chapter 6.

Chicago

U.S. Department of the Army. Technical manual nr 5-852-6. Air Force manual nr 88-19 Chapter 6, . 1966. Calculation methods for determination of depths of freeze and thaw in soils. Arctic and subarctic construction. Washington DC: U.S. Department of the Army. Technical manual nr 5-852-6. Air Force manual nr 88-19, Chapter 6.

Harvard

U.S. Department of the Army. Technical manual nr 5-852-6. Air Force manual nr 88-19 C. 6., . (1966). Calculation methods for determination of depths of freeze and thaw in soils. Arctic and subarctic construction. Washington DC: U.S. Department of the Army. Technical manual nr 5-852-6. Air Force manual nr 88-19, Chapter 6.

MLA

U.S. Department of the Army. Technical manual nr 5-852-6. Air Force manual nr 88-19 Chapter 6, . Calculation methods for determination of depths of freeze and thaw in soils. Arctic and subarctic construction. Washington DC: U.S. Department of the Army. Technical manual nr 5-852-6. Air Force manual nr 88-19, Chapter 6. 1966.