APA
world of learning, . (1982). The world of learning , 1982-83; 33rd ed . Vol.2. London: Europa Publications. ltd.
Chicago
world of learning, . 1982. The world of learning , 1982-83; 33rd ed . Vol.2. London: Europa Publications. ltd.
Harvard
world of learning, . (1982). The world of learning , 1982-83; 33rd ed . Vol.2. London: Europa Publications. ltd.
MLA
world of learning, . The world of learning , 1982-83; 33rd ed . Vol.2. London: Europa Publications. ltd. 1982.