Bogarde, D. (1982). Snakes and ladders. Triad.
Cita Chicago (17th ed.)Bogarde, Dirk. Snakes and Ladders. [London]: Triad, 1982.
Cita MLA (8th ed.)Bogarde, Dirk. Snakes and Ladders. Triad, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.