Cita APA (7th ed.)

Hoff, S. Happy Birthday, Danny And The Dinosaur! Harpercollins.

Cita Chicago (17th ed.)

Hoff, Syd. Happy Birthday, Danny And The Dinosaur! Harpercollins.

Cita MLA (8th ed.)

Hoff, Syd. Happy Birthday, Danny And The Dinosaur! Harpercollins.

Atenció: Aquestes cites poden no estar 100% correctes.