National Data Book and Guide to Sources : Statistical Abstract of the United States 1986.
- 106 th. ed.
- Washington : U.S. Department of Commerce, 1986.
- vi-xvi, 985 p. : gráfs. ; 23 x 15 cm.
U4014 D. J. Bellina General Ej.: 1 Impreso
ESTADISTICAS PRIVADAS GOBIERNO EDUCACION NUTRICION COMUNICACION TRANSPORTES