Allen, J. P. B., & Widdowson, H. G. English im physical sience.
Chicago Style (17th ed.) CitationAllen, J. P. B., and H. G. Widdowson. English Im Physical Sience.
MLA引文Allen, J. P. B., and H. G. Widdowson. English Im Physical Sience.
警告：這些引文格式不一定是100％准確.