United States. Bureau of the Census. (1962). United States census of agriculture, 1959, and related surveys: Principal data-collection forms and procedures. U.S. Bureau of the Census.
Chicago-viite (17. p.)United States. Bureau of the Census. United States Census of Agriculture, 1959, and Related Surveys: Principal Data-collection Forms and Procedures. Washington: U.S. Bureau of the Census, 1962.
MLA-viite (9. p.)United States. Bureau of the Census. United States Census of Agriculture, 1959, and Related Surveys: Principal Data-collection Forms and Procedures. U.S. Bureau of the Census, 1962.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.