Yolen, J., & Graves, L. D. (2011). Sister Bear: A Norse tale. Marshall Cavendish Children's.
Chicagoスタイル(17版)引用形式Yolen, Jane, , Linda Dockey Graves. Sister Bear: A Norse Tale. Tarrytown, NY: Marshall Cavendish Children's, 2011.
MLA(8版)引用形式Yolen, Jane, , Linda Dockey Graves. Sister Bear: A Norse Tale. Marshall Cavendish Children's, 2011.
警告: この引用は必ずしも正確ではありません.