APA-referens

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

Chicago-stil citat

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

MLA-referens

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