Dòng Nội dung
1
Reference manual for the office / Clifford R. House, Kathie Sigler.
Cincinnati : Southwestern Pub. Co., 1989
xvi, 343 p. : ill. ; 23 cm.



2
The Gregg reference manual / William A. Sabin.
New York : Gregg Division/McGraw-Hill, c1985.
xxxii, 421 p. : ill. ; 24 cm.



3