Cita APA (7a ed.)

Kench, A. (1989). Writing business letters: An introducing for foreign learners ([Rep. 1989].). MacMillan Press.

Cita Chicago Style (17a ed.)

Kench, A.B. Writing Business Letters: An Introducing for Foreign Learners. [Rep. 1989]. London: MacMillan Press, 1989.

Cita MLA (9a ed.)

Kench, A.B. Writing Business Letters: An Introducing for Foreign Learners. [Rep. 1989]. MacMillan Press, 1989.