Olson, M. Problem solvers: Counting cubes, responses to the "shuffling a line" problem.
Chicago Style (17. basım) AtıfOlson, Melfried. Problem Solvers: Counting Cubes, Responses to the "Shuffling a Line" Problem.
MLA (8th ed.) AtıfOlson, Melfried. Problem Solvers: Counting Cubes, Responses to the "Shuffling a Line" Problem.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..