Cita APA (7th ed.)

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.