Christie , A. (2024). The Official Agatha Christie Puzzle Book. Laurence King.
Cita Chicago (17th ed.)Christie , Agatha. The Official Agatha Christie Puzzle Book. London: Laurence King, 2024.
Cita MLA (9th ed.)Christie , Agatha. The Official Agatha Christie Puzzle Book. Laurence King, 2024.
Atenció: Aquestes cites poden no estar 100% correctes.