Knight, J. F. (2000). Jantung Kuat Nafas Lega. Indonesia Publishing House.
Lua i Stíl Chicago (17ú heag.)Knight, John F. Jantung Kuat Nafas Lega. Indonesia Publishing House, 2000.
Lua MLA (9ú heag.)Knight, John F. Jantung Kuat Nafas Lega. Indonesia Publishing House, 2000.
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