Gaya APA
Guffey, Mary Ellen; Loewy, Dana. (2010).
Essentials of Business Communication, 8th edition (8).
USA:
Cengage Learning.
Gaya Chicago
Guffey, Mary Ellen; Loewy, Dana.
Essentials of Business Communication, 8th edition.
8
USA:
Cengage Learning,
2010.
.
Gaya MLA
Guffey, Mary Ellen; Loewy, Dana.
Essentials of Business Communication, 8th edition.
8
USA:
Cengage Learning,
2010.
.
Gaya Turabian
Guffey, Mary Ellen; Loewy, Dana.
Essentials of Business Communication, 8th edition.
8
USA:
Cengage Learning,
2010.
.