Gaya APA
SALEH, M, I.
(2012).
Peace Education
(
Cet.1)
.
Yogyakarta:
AR-Ruzz media.
Gaya MLA
SALEH, M.Nurul, Ikhsan.
"Peace Education".
Cet.1
Yogyakarta:
AR-Ruzz media,
2012.
BUKU.