Hammerman, E., & Musial, D. (1995). Classroom 2061: Activity-based assessments in science integrated with mathematics and language arts. IRI/Skylight Training and Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hammerman, Elizabeth, و Diann Musial. Classroom 2061: Activity-based Assessments in Science Integrated with Mathematics and Language Arts. Palatine, Ill: IRI/Skylight Training and Publishing, 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hammerman, Elizabeth, و Diann Musial. Classroom 2061: Activity-based Assessments in Science Integrated with Mathematics and Language Arts. IRI/Skylight Training and Publishing, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.