Tim. (1979). Writing letters in English a practical guide. HK.: Oxford university press.
シカゴスタイル引用形Tim. Writing Letters in English a Practical Guide. HK.: Oxford university press, 1979.
MLA引用形式Tim. Writing Letters in English a Practical Guide. HK.: Oxford university press, 1979.
警告: この引用は必ずしも正確ではありません.