Hill, E. Spot: Night-Night, Spot. Frederick Warne And Company.
Cita Chicago (17th ed.)Hill, Eric. Spot: Night-Night, Spot. Frederick Warne And Company.
Cita MLA (8th ed.)Hill, Eric. Spot: Night-Night, Spot. Frederick Warne And Company.
Atenció: Aquestes cites poden no estar 100% correctes.