Gaya APA
Newsom, D., Haynes, J. (2011).
Public relations writing : form and style (9th ed.).
Singapore:
Cengage Learning.
Gaya MLA
Newsom, Doug., Haynes, Jim.
"Public relations writing : form and style".
9th ed.
Singapore:
Cengage Learning,
2011.
Buku/Printed Material.