Holland, W. R. (1960). Language barrier as an educational problem of spanish-speaking children. [s.n.].
Cita Chicago Style (17a ed.)Holland, William R. Language Barrier as an Educational Problem of Spanish-speaking Children. [S.l.]: [s.n.], 1960.
Cita MLA (9a ed.)Holland, William R. Language Barrier as an Educational Problem of Spanish-speaking Children. [s.n.], 1960.
Precaución: Estas citas no son 100% exactas.