Tohutoro APA (7th ed.)

EUROPA PUBLICATIONS LTDA. (1997). The world of learning 1998 (ed.48.). Europa Publications limited.

Tohutoru Kātū Chicago (17th ed.)

EUROPA PUBLICATIONS LTDA. The World of Learning 1998. ed.48. London: Europa Publications limited, 1997.

Tohutoro MLA (9th ed.)

EUROPA PUBLICATIONS LTDA. The World of Learning 1998. ed.48. Europa Publications limited, 1997.