Amor, J. (2004). Problem Solvers; Mengapa Mara ? / Janine Amos. Yogyakarta : Kanisius.
Lua i Stíl Chicago (17ú heag.)Amor, Janine. Problem Solvers; Mengapa Mara ? / Janine Amos. Yogyakarta : Kanisius, 2004.
Lua MLA (8ú heag.)Amor, Janine. Problem Solvers; Mengapa Mara ? / Janine Amos. Yogyakarta : Kanisius, 2004.
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