Παραπομπή APA

National Council of Educational Research and Training. (1969). Elements of book - keeping and accountancy. National Council of Educational Research and Training.

Παραπομπή Chicago Style

National Council of Educational Research and Training. Elements of Book - Keeping and Accountancy. New Delhi: National Council of Educational Research and Training, 1969.

Παραπομπή MLA

National Council of Educational Research and Training. Elements of Book - Keeping and Accountancy. National Council of Educational Research and Training, 1969.