Penggayaan APA
VERDERBER, Rudolph F.. (2000).
The Challenge of effective speaking (11th ed.).
Australia:
Wadsworth.
Chicago Style
VERDERBER, Rudolph F..
The Challenge of effective speaking .
11th ed.
Australia:
Wadsworth,
2000.
Buku.
MLA Style
VERDERBER, Rudolph F..
The Challenge of effective speaking .
11th ed.
Australia:
Wadsworth,
2000.
Buku.
Turabian Style
VERDERBER, Rudolph F..
The Challenge of effective speaking .
11th ed.
Australia:
Wadsworth,
2000.
Buku.