Dyfyniad APA

Van Leeuwen, J., & Schweninger, A. (2006). Oliver Pig and the best fort ever. Dial Books for Young Readers.

Dyfyniad Arddull Chicago

Van Leeuwen, Jean, and Ann Schweninger. Oliver Pig and the Best Fort Ever. New York: Dial Books for Young Readers, 2006.

Dyfyniad MLA

Van Leeuwen, Jean, and Ann Schweninger. Oliver Pig and the Best Fort Ever. Dial Books for Young Readers, 2006.

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