Cita APA (7a ed.)

Goodman, J. M., & Kopp, J. (1997). Group solutions, too: More cooperative logic activities for grades K-4. Great Explorations in Math and Science (GEMS).

Cita Chicago Style (17a ed.)

Goodman, Jan M., y Jaine Kopp. Group Solutions, Too: More Cooperative Logic Activities for Grades K-4. Berkeley, CA: Great Explorations in Math and Science (GEMS), 1997.

Cita MLA (9a ed.)

Goodman, Jan M., y Jaine Kopp. Group Solutions, Too: More Cooperative Logic Activities for Grades K-4. Great Explorations in Math and Science (GEMS), 1997.