Gaya APA
NAIM, N., RATRI, R, K, [.
(2020).
Character building:
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Yogyakarta:
Ar-Ruzz Media.
Gaya MLA
NAIM, Ngainun., RATRI, Rose, Kusumaning, [ed.].
"Character building:".
Yogyakarta:
Ar-Ruzz Media,
2020.
Buku.