Memorandums.

Write it up! : better letters and memos [videorecording] = 英文寫作技巧 by: Shaw, Fran Weber (Language materials, printed)

Basic letter & memo writing by: VanHuss, Susie H. (Language materials, printed)

Send me a memo : a handbook of model memos by: Booher, Dianna (Language materials, printed)

Writing effective letters & memos by: Bell, Arthur H. (Language materials, printed)