APA (7th ed.) Citation
(1989). <The> World of Learning 1990 (5. ed.). Europa Publications Limited.
Chicago Style (17th ed.) Citation
<The> World of Learning 1990. 5. ed. London: Europa Publications Limited, 1989.
MLA (9th ed.) Citation
<The> World of Learning 1990. 5. ed. Europa Publications Limited, 1989.
Warning: These citations may not always be 100% accurate.