Gaya APA

The Grolier Encyclopedia of Knowledge. (sa). New York: Grolier Incorporated.

Gaya Chicago

The Grolier Encyclopedia of Knowledge. . New York: Grolier Incorporated, sa. Reference.

Gaya MLA

The Grolier Encyclopedia of Knowledge. . New York: Grolier Incorporated, sa. Reference.

Gaya Turabian

The Grolier Encyclopedia of Knowledge. New York: Grolier Incorporated, sa. Reference.