Kean, R., & Zack. (2013). The warrior's boy: [illustrations] by Zack. [Text: Roger Kean]. Gmünder.
Lua i Stíl Chicago (17ú heag.)Kean, Roger, agus Zack. The Warrior's Boy: [illustrations] by Zack. [Text: Roger Kean]. Berlin: Gmünder, 2013.
Lua MLA (8ú heag.)Kean, Roger, agus Zack. The Warrior's Boy: [illustrations] by Zack. [Text: Roger Kean]. Gmünder, 2013.
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