Billows, F. L. (1961). Techniques of language teaching. Longmans.
Chicago Edition CitationBillows, F. L. Techniques of Language Teaching. Longmans, 1961.
MLA引文Billows, F. L. Techniques of Language Teaching. Longmans, 1961.
警告：這些引文格式不一定是100％准確.
APA引文