By Litton, Gaston.
Buenos Aires Bowker Editores Argentina 1971 .
242 p.

By Litton, Gaston.
Buenos Aires Bowker Editores Argentina 1970 .
205 p.

By Litton, Gaston.
Buenos Aires Bowker Editores Argentina 1971 .
181p. , Bibliography: p. 175

By Litton, Gaston.
Buenos Aires Browker Editores Argentina 1971 .
234 p.

By Litton, Gaston.
Buenos Aires Bowker Editores Argentina 1971 .
226p. , Bibliography: p. 218

By Litton, Gaston.
[Buenos Aires] Bowker 1971 .
241 p. 18 cm..

By Litton, Gaston.
Buenos Aires Bowker Editores Argentina 1973 .
205 p.

By Litton, Gaston.
Buenos Aires Bowker Editores Argentina 1974 .
213 p. , Includes index. 19 cm..

By Litton, Gaston.
[Buenos Aires] Bowker Editores Argentina 1971 .
218 p. 18 cm..

By Litton, Gaston.
Argentina Bowker 1970 .
158 p.

By Litton, Gaston.
[Buenos Aires] Bowker Editores Argentina 1971 .
185 p. 18 cm..

By Litton, Gaston.
[Buenos Aires], Arg. Bowker Editores 1971 .
177 p.