Gaya APA

The World Book Encyclopedia (T Volume 19 Publish 1976). (1976). USA: Field Enterprises Educational Corporation.

Gaya Chicago

The World Book Encyclopedia (T Volume 19 Publish 1976). vol.19, 1976. USA: Field Enterprises Educational Corporation, 1976. Text.

Gaya MLA

The World Book Encyclopedia (T Volume 19 Publish 1976). vol.19, 1976. USA: Field Enterprises Educational Corporation, 1976. Text.

Gaya Turabian

The World Book Encyclopedia (T Volume 19 Publish 1976). USA: Field Enterprises Educational Corporation, 1976. Print.