Dyfyniad APA

Keene, C. (1930). Nancy Drew Mystery Stories: The Hidden Staircase No. 2. Grosset & Dunlap.

Dyfyniad Arddull Chicago

Keene, Carolyn. Nancy Drew Mystery Stories: The Hidden Staircase No. 2. New York: Grosset & Dunlap, 1930.

Dyfyniad MLA

Keene, Carolyn. Nancy Drew Mystery Stories: The Hidden Staircase No. 2. Grosset & Dunlap, 1930.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.