Cita APA

Billows,F L. (1961). Techniques of language teaching. Longman.

Chicago Edition Citation

Billows,F L. Techniques of Language Teaching. London: Longman, 1961.

Cita MLA

Billows,F L. Techniques of Language Teaching. Longman, 1961.

Atenció: Aquestes cites poden no estar 100% correctes.