Keene, C. (1968). Nancy Drew Mystery Stories: Nancy's Mysterious Letter No. 8. Grosset & Dunlap.
Chicagoスタイル(17版)引用形式Keene, Carolyn. Nancy Drew Mystery Stories: Nancy's Mysterious Letter No. 8. New York: Grosset & Dunlap, 1968.
MLA(9版)引用形式Keene, Carolyn. Nancy Drew Mystery Stories: Nancy's Mysterious Letter No. 8. Grosset & Dunlap, 1968.
警告: この引用は必ずしも正確ではありません.