APA
(1975). Changing occupational pattern. New Delhi, India: National Council of Educational Research and Training.
Chicago
1975. Changing occupational pattern. New Delhi, India: National Council of Educational Research and Training.
Harvard
(1975). Changing occupational pattern. New Delhi, India: National Council of Educational Research and Training.
MLA
Changing occupational pattern. New Delhi, India: National Council of Educational Research and Training. 1975.
