APA Style

Donna Erdman, M.Ed.. (2007). Sudoku for first grade . Huntington Beach, USA: Shell Educations.

Chicago Style

Donna Erdman, M.Ed.. Sudoku for first grade. Huntington Beach, USA: Shell Educations, 2007. Text.

MLA Style

Donna Erdman, M.Ed.. Sudoku for first grade. Huntington Beach, USA: Shell Educations, 2007. Text.

Turabian Style

Donna Erdman, M.Ed.. Sudoku for first grade. Huntington Beach, USA: Shell Educations, 2007. Print.