APA استشهاد

Great Britain her majesty's stationary office. (1972). Mathematics in primary schools. Her majesty's stationary office.

استشهاد بنمط شيكاغو

Great Britain her majesty's stationary office. Mathematics in Primary Schools. London: Her majesty's stationary office, 1972.

MLA استشهاد

Great Britain her majesty's stationary office. Mathematics in Primary Schools. Her majesty's stationary office, 1972.