Dyfyniad APA

(2007). Primary Source investigator: American history (In lần thứ 1.). American: Mc Graw Hill.

Dyfyniad Arddull Chicago

Primary Source Investigator: American History. In lần thứ 1. American: Mc Graw Hill, 2007.

Dyfyniad MLA

Primary Source Investigator: American History. In lần thứ 1. American: Mc Graw Hill, 2007.

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