Goyal, J. C., & Singh, A. (1977). Classroom research by teachers: A study. Dept. of Teacher Education, National Institute of Education, National Council of Educational Research & Training.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Goyal, J. C., và Ajit Singh. Classroom Research by Teachers: A Study. New Delhi: Dept. of Teacher Education, National Institute of Education, National Council of Educational Research & Training, 1977.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Goyal, J. C., và Ajit Singh. Classroom Research by Teachers: A Study. Dept. of Teacher Education, National Institute of Education, National Council of Educational Research & Training, 1977.
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