APA
(1967). Physics: Science for middle schools. Part 1 and 3. New Delhi, India: National Council of Educational Research and Training.
Chicago
1967. Physics: Science for middle schools. Part 1 and 3. New Delhi, India: National Council of Educational Research and Training.
Harvard
(1967). Physics: Science for middle schools. Part 1 and 3. New Delhi, India: National Council of Educational Research and Training.
MLA
Physics: Science for middle schools. Part 1 and 3. New Delhi, India: National Council of Educational Research and Training. 1967.