Gaya APA
Keene, C. (1994).
Three Great Nancy Drew Mysteries: the Clue of the Black Keys, ... (Cet. 1. --).
London:
Grosset & Dunlap.
Gaya MLA
Keene, Carolyn.
"Three Great Nancy Drew Mysteries: the Clue of the Black Keys, ...".
Cet. 1. --
London:
Grosset & Dunlap,
1994.
Text.