Dyfyniad APA

(1987). Supreme Court Cases,1987,vol.1. Eastern Book Company.

Dyfyniad Arddull Chicago

Supreme Court Cases,1987,vol.1. Lucknow: Eastern Book Company, 1987.

Dyfyniad MLA

Supreme Court Cases,1987,vol.1. Eastern Book Company, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.