APA Style
Guffey, M, E., Loewy, D.
(2023).
Essentials of Business Communication
(
12th)
.
USA:
Cengage learning asia.
MLA Style
Guffey, Mary, Ellen., Loewy, Dana.
"Essentials of Business Communication".
12th
USA:
Cengage learning asia,
2023.
Text.