Penggayaan APA
THE WORLD of learning 1989. (1988).
London:
Europa.
Chicago Style
THE WORLD of learning 1989.
.
London:
Europa,
1988.
Buku.
MLA Style
THE WORLD of learning 1989.
.
London:
Europa,
1988.
Buku.
Turabian Style
THE WORLD of learning 1989.
London:
Europa,
1988.
Buku.