Penggayaan APA

GROLIER Academic Encyclopedia, volume 18 :. (1991). [s.n]: Grolier International.

Chicago Style

GROLIER Academic Encyclopedia, volume 18 :. . [s.n]: Grolier International, 1991. Buku.

MLA Style

GROLIER Academic Encyclopedia, volume 18 :. . [s.n]: Grolier International, 1991. Buku.

Turabian Style

GROLIER Academic Encyclopedia, volume 18 :. [s.n]: Grolier International, 1991. Buku.