Gaya APA
ADAMS, K, L., GALANES, G, J.
(2015).
Communicating in groups:
(
9th ed.)
.
McGraw-Hill:
New York.
Gaya MLA
ADAMS, Katherine, L.., GALANES, Gloria, J..
"Communicating in groups:".
9th ed.
McGraw-Hill:
New York,
2015.
Buku.