APA Style

THE WORLD BOOK ENCYCLOPEDIA W-X-Y-Z. (1986). USA: WORLD BOOK,INC.

Chicago Style

THE WORLD BOOK ENCYCLOPEDIA W-X-Y-Z. VOLUME 21. USA: WORLD BOOK,INC, 1986. Referensi.

MLA Style

THE WORLD BOOK ENCYCLOPEDIA W-X-Y-Z. VOLUME 21. USA: WORLD BOOK,INC, 1986. Referensi.

Turabian Style

THE WORLD BOOK ENCYCLOPEDIA W-X-Y-Z. USA: WORLD BOOK,INC, 1986. Referensi.