APA
Hoff S., . (1986). Danny and the dinosaur. Usa: Harper collins.
Chicago
Hoff Syd, . 1986. Danny and the dinosaur. Usa: Harper collins.
Harvard
Hoff S., . (1986). Danny and the dinosaur. Usa: Harper collins.
MLA
Hoff Syd, . Danny and the dinosaur. Usa: Harper collins. 1986.