Cita APA (7th ed.)

Wilson, F., & Alberston, B. (2004). 303 perplexing chess puzzles. Sterling Pub. Co.

Cita Chicago (17th ed.)

Wilson, Fred, i Bruce Alberston. 303 Perplexing Chess Puzzles. New York: Sterling Pub. Co, 2004.

Cita MLA (9th ed.)

Wilson, Fred, i Bruce Alberston. 303 Perplexing Chess Puzzles. Sterling Pub. Co, 2004.