Gaya APA
Garner, B, A. (2012).
HBR guide to better business writing : Engage readers tighten and brithten make your case (Cet. 1.).
USA:
Harvard Business Review Press.
Gaya MLA
Garner, Bryan, A..
"HBR guide to better business writing : Engage readers tighten and brithten make your case".
Cet. 1.
USA:
Harvard Business Review Press,
2012.
Buku.