Gaya APA
Amos, J., Spenceley, A.
(2004).
Why be Unfriendly?
(
1)
.
Yogyakarta:
Penerbit Kanisius.
Gaya MLA
Amos, Jenine., Spenceley, Annabel.
"Why be Unfriendly?".
1
Yogyakarta:
Penerbit Kanisius,
2004.
Text.