BRIDWELL, N. (2009). CLIFFORD THE BIG RED DOG: CLIFFORD'S LOOSE TOOTH. SCHOLASTIC INS.
Lua i Stíl Chicago (17ú heag.)BRIDWELL, NORMAN. CLIFFORD THE BIG RED DOG: CLIFFORD'S LOOSE TOOTH. SCHOLASTIC INS, 2009.
Lua MLA (9ú heag.)BRIDWELL, NORMAN. CLIFFORD THE BIG RED DOG: CLIFFORD'S LOOSE TOOTH. SCHOLASTIC INS, 2009.
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