Estados Unidos. Bureau of Land Management, & Estados Unidos. Bureau of Land Management. (1956). Standard field tables and trigonometric formulas: A supplement to the Manual of instructions for the survey of the public lands of the United States (8. edition.). Washington: U.S. Government Printing Office.
Chicago Style CitationEstados Unidos. Bureau of Land Management, and Estados Unidos. Bureau of Land Management. Standard Field Tables and Trigonometric Formulas: A Supplement to the Manual of Instructions for the Survey of the Public Lands of the United States. 8. edition. Washington: U.S. Government Printing Office, 1956.
MLA CitationEstados Unidos. Bureau of Land Management, and Estados Unidos. Bureau of Land Management. Standard Field Tables and Trigonometric Formulas: A Supplement to the Manual of Instructions for the Survey of the Public Lands of the United States. 8. edition. Washington: U.S. Government Printing Office, 1956.