(1925). Projects for all the grades: Containing one hundred sixty-three practical projects in all subjects taught in the grades, correlating the activities of school and home, and motivating instruction through the joy of being useful / by Frank M. Rich.
Cytowanie według stylu Chicago (wyd. 17)Projects for All the Grades: Containing One Hundred Sixty-three Practical Projects in All Subjects Taught in the Grades, Correlating the Activities of School and Home, and Motivating Instruction Through the Joy of Being Useful / by Frank M. Rich. 1925.
Cytowanie według stylu MLA (wyd. 9)Projects for All the Grades: Containing One Hundred Sixty-three Practical Projects in All Subjects Taught in the Grades, Correlating the Activities of School and Home, and Motivating Instruction Through the Joy of Being Useful / by Frank M. Rich. 1925.