Gaya APA

Director), B, S, (. (1983). The Encyclopedia americana:volume 29 wilmot proviso to zygote (International Edition). Danbury: GROLIER INCORPORATED.

Gaya MLA

Director), Bernard, S.Cayne, (Editorial. "The Encyclopedia americana:volume 29 wilmot proviso to zygote". International Edition Danbury: GROLIER INCORPORATED, 1983. BUKU.