Cita APA (7th ed.)

EUROPA PUBLICATIONS LIMITDE. (1962). The world of learning 1962-63 (ed.13.). Europa Publications limited.

Cita Chicago (17th ed.)

EUROPA PUBLICATIONS LIMITDE. The World of Learning 1962-63. ed.13. London: Europa Publications limited, 1962.

Cita MLA (9th ed.)

EUROPA PUBLICATIONS LIMITDE. The World of Learning 1962-63. ed.13. Europa Publications limited, 1962.