APA

Tuttle A. B., Light C., Robison D. & Tuttle W. (2001). Daily Word Problems. USA: Evan-Moor.

Chicago

Tuttle Amy Beth, Light Chyrl, Robison Don and Tuttle Wes. 2001. Daily Word Problems. USA: Evan-Moor.

Harvard

Tuttle A. B., Light C., Robison D. and Tuttle W. (2001). Daily Word Problems. USA: Evan-Moor.

MLA

Tuttle Amy Beth, Light Chyrl, Robison Don and Tuttle Wes. Daily Word Problems. USA: Evan-Moor. 2001.