Gaya APA

R., E, W, L., Stephen, E, R. (1991). New vistas in grammar : invariance an variation . Amsterdam: John benjamins B.V..

Gaya MLA

R., Editor, Waugh,, Linda., Stephen, Editor, Rudy,. "New vistas in grammar : invariance an variation". Amsterdam: John benjamins B.V., 1991. Text.