Cita APA

Hankes, E. J. (1992). A universal second language. s.n.

Citación estilo Chicago

Hankes, Elmer Joseph. A Universal Second Language. Minneapolis: s.n, 1992.

Cita MLA

Hankes, Elmer Joseph. A Universal Second Language. s.n, 1992.

Warning: These citations may not always be 100% accurate.