Gaya APA
Bolton, M.
(2009).
Friendship A To Z
(
Ed. 1 Cet. 5)
.
Yogyakarta:
Andi.
Gaya MLA
Bolton, Martha.
"Friendship A To Z".
Ed. 1 Cet. 5
Yogyakarta:
Andi,
2009.
Text.