Krulik, N., & Ross, J. T. (2011). Super burp! (Unabridged.). Recorded Books Inc..
Cita Chicago Style (17a ed.)Krulik, Nancy, y Jonathan Todd Ross. Super Burp! Unabridged. Prince Frederick: Recorded Books Inc., 2011.
Cita MLA (8a ed.)Krulik, Nancy, y Jonathan Todd Ross. Super Burp! Unabridged. Recorded Books Inc., 2011.
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