Cita APA (7a ed.)

Frey-Doering, K., & Zanella, K. (1982). How to teach: Chronological age-appropriate activities for school aged moderately and severely handicapped students. Metropolitan School District.

Cita Chicago Style (17a ed.)

Frey-Doering, Kathy, y Kathy Zanella. How to Teach: Chronological Age-appropriate Activities for School Aged Moderately and Severely Handicapped Students. Madison, Wisconsin: Metropolitan School District, 1982.

Cita MLA (9a ed.)

Frey-Doering, Kathy, y Kathy Zanella. How to Teach: Chronological Age-appropriate Activities for School Aged Moderately and Severely Handicapped Students. Metropolitan School District, 1982.