Cita APA

Howell, M. (2003). Practice counts!, grade 4: Year-round thematic reading, language arts, and math skills. Merrimack, NH: Options Publishing, Inc..

Citación estilo Chicago

Howell, Michelle. Practice Counts!, Grade 4: Year-round Thematic Reading, Language Arts, and Math Skills. Merrimack, NH: Options Publishing, Inc., 2003.

Cita MLA

Howell, Michelle. Practice Counts!, Grade 4: Year-round Thematic Reading, Language Arts, and Math Skills. Merrimack, NH: Options Publishing, Inc., 2003.