Gaya APA
Drake, Webster f. (2004).
Student workbook for verderber and verderber's: The challenge of effective speaking (13th ed.).
America:
Thomson.
Gaya Chicago
Drake, Webster f.
Student workbook for verderber and verderber's: The challenge of effective speaking.
13th ed.
America:
Thomson,
2004.
Text.
Gaya MLA
Drake, Webster f.
Student workbook for verderber and verderber's: The challenge of effective speaking.
13th ed.
America:
Thomson,
2004.
Text.
Gaya Turabian
Drake, Webster f.
Student workbook for verderber and verderber's: The challenge of effective speaking.
13th ed.
America:
Thomson,
2004.
Print.