1.
|
Madrid : Espasa Calpe, 2002, c1973.
|
2.
|
New York, Holt, Rinehart and Winston [1964]
|
3.
|
|
4.
|
Madrid, Ediciones Guadarrama [1968]
|
5.
|
New York : Holt, Rinehart and Winston, [1975]
|
6.
|
Washington. D.C. : U.S. Immigration and Naturalization Service ; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1988.
|
7.
|
Ann Arbor, Mich. : Olivia and Hill Press, c1979.
|
8.
|
|
9.
|
New York, McGraw-Hill [1967]
|
10.
|
Lexington, Mass. : D.C. Heath, c1980.
|