Cita APA (7a ed.)

Bache, C., & Davidsen-Nielsen, N. (1997). Mastering English: An advanced grammar for non-native and native speakers. Mouton de Gruyter.

Cita Chicago Style (17a ed.)

Bache, Carl, y Niels Davidsen-Nielsen. Mastering English: An Advanced Grammar for Non-native and Native Speakers. Berlin [etc.]: Mouton de Gruyter, 1997.

Cita MLA (9a ed.)

Bache, Carl, y Niels Davidsen-Nielsen. Mastering English: An Advanced Grammar for Non-native and Native Speakers. Mouton de Gruyter, 1997.