Gaya APA

Inc, S, L, P. (2005). Encyclopedia Americana Volume 29 : Wilmot Proviso to Zygote . United States of America: Scholastic Library Publishing, Inc.

Gaya MLA

Inc, Scholastic, Library, Publishing,. "Encyclopedia Americana Volume 29 : Wilmot Proviso to Zygote". United States of America: Scholastic Library Publishing, Inc, 2005. Teks.