TY  - BOOK
AU  - Garvía Soto,Roberto
TI  - Esperanto and its rivals: the struggle for an international language 
T2  - (Haney foundation series)
SN  - 978-0-8122-4710-7
PY  - 2015///
CY  - Philadelphia
PB  - University of Pennsylvania Press
KW  - Volapuko
KW  - Historio
KW  - Ido
KW  - Esperanto
N1  - Bibliografio: p. 169-217. Índekso
ER  -