(1999). Writing business letters.
Trích dẫn kiểu ChicagoWriting Business Letters. 1999.
ציטוט MLAWriting Business Letters. 1999.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
APA ציטוט
(1999). Writing business letters.
Trích dẫn kiểu ChicagoWriting Business Letters. 1999.
ציטוט MLAWriting Business Letters. 1999.