Penggayaan APA

GROLIER encyclopedia of knowledge, volume 18 :. ([s.a]). Danbury, Connecticut: Grolier.

Chicago Style

GROLIER encyclopedia of knowledge, volume 18 :. . Danbury, Connecticut: Grolier, [s.a]. Buku.

MLA Style

GROLIER encyclopedia of knowledge, volume 18 :. . Danbury, Connecticut: Grolier, [s.a]. Buku.

Turabian Style

GROLIER encyclopedia of knowledge, volume 18 :. Danbury, Connecticut: Grolier, [s.a]. Buku.