Penggayaan APA

THE WORLD of learning 1993. (1993). England: Europa.

Chicago Style

THE WORLD of learning 1993. 43th.ed.. England: Europa, 1993. Buku.

MLA Style

THE WORLD of learning 1993. 43th.ed.. England: Europa, 1993. Buku.

Turabian Style

THE WORLD of learning 1993. England: Europa, 1993. Buku.