Cita APA

Gregan, J., Spirek, M., & Rumpf, C. (2008). Solving the shugoshin puzzle.

Chicago Style Citation

Gregan, Juraj, Mario Spirek, i Cornelia Rumpf. Solving the Shugoshin Puzzle. 2008.

Cita MLA

Gregan, Juraj, Mario Spirek, i Cornelia Rumpf. Solving the Shugoshin Puzzle. 2008.

Atenció: Aquestes cites poden no estar 100% correctes.