Gaya APA
Bovee, C, L., Thill, J, V. (2016).
Business communication today (13th ed.).
Boston:
Pearson Education.
Gaya MLA
Bovee, Courtland, L.., Thill, John, V..
"Business communication today".
13th ed.
Boston:
Pearson Education,
2016.
Buku/Printed Material.