Dyfyniad APA

United States & Findlay, B. A. (1952). Your rugged Constitution (Textbook ed.). Published by special arrangement with Stanford University Press [by] Science Research Associates.

Dyfyniad Arddull Chicago

United States and Bruce Allyn Findlay. Your Rugged Constitution. Textbook ed. Chicago: Published by special arrangement with Stanford University Press [by] Science Research Associates, 1952.

Dyfyniad MLA

United States and Bruce Allyn Findlay. Your Rugged Constitution. Textbook ed. Published by special arrangement with Stanford University Press [by] Science Research Associates, 1952.

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