Gaya APA
Hance, K, G. (1965).
Principle of speaking / Kenneth G. Hance, David C.Ralph and Milton J. Wiksell .
:
Wadsworth.
Gaya MLA
Hance, Kenneth, G..
"Principle of speaking / Kenneth G. Hance, David C.Ralph and Milton J. Wiksell".
:
Wadsworth,
1965.
Referensi.